Finding the Fourth Proportional to 498,948.53, 688,549.24 and 269,505.81
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Solution
The fourth proportional to 498,948.53, 688,549.24 and 269,505.81 is: 371,918.17
Step by Step Solution
- Step 1: Write the proportion equation
498,948.53 : 688,549.24 = 269,505.81 : x - Step 2: Convert to fraction form
498,948.53/688,549.24 = 269,505.81/x - Step 3: Cross multiply
498,948.53x = 688,549.24 × 269,505.81 - Step 4: Simplify right side
498,948.53x = 185,568,021,755.19 - Step 5: Solve for x
x = 185,568,021,755.19/498,948.53 - Step 6: Final answer
x = 371,918.17
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.