Determine if the table shows a proportional relationship. x 18.2 49.2 45.9 y 9.1 24.6 15.3 Yes, it is proportional because all y over x ratios are equivalent to one half. Yes, it is proportional because all y over x ratios are equivalent to one third. No, it is not proportional because 9.1 over 18.2 does not equal 24.6 over 49.2. No, it is not proportional because 9.1 over 18.2 does not equal 15.3 over 45.9.