The basketball gym at Kenji's school was built in the 1940s and needs a lot of repairs. So, the school is asking families for donations to build a new gym. Kenji convinced some local businesses to match a fraction of the families' donations.

This table shows the relationship between the amount of money a family donates (in dollars), x, and the matching contribution (in dollars) from local businesses, y.

According to the values in the table, do x and y have a proportional relationship?

A) Yes
B) No

If yes What is the constant of proportionality? Write your answer as a whole number or decimal.