Finding the Fourth Proportional to 663,157.05, 915,253.63 and 372,792.53
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Solution
The fourth proportional to 663,157.05, 915,253.63 and 372,792.53 is: 514,508.16
Step by Step Solution
- Step 1: Write the proportion equation
663,157.05 : 915,253.63 = 372,792.53 : x - Step 2: Convert to fraction form
663,157.05/915,253.63 = 372,792.53/x - Step 3: Cross multiply
663,157.05x = 915,253.63 × 372,792.53 - Step 4: Simplify right side
663,157.05x = 341,199,712,527.24 - Step 5: Solve for x
x = 341,199,712,527.24/663,157.05 - Step 6: Final answer
x = 514,508.16
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.