Finding the Fourth Proportional to 533,130.65, 735,720.30 and 291,414.17
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Solution
The fourth proportional to 533,130.65, 735,720.30 and 291,414.17 is: 402,151.55
Step by Step Solution
- Step 1: Write the proportion equation
533,130.65 : 735,720.30 = 291,414.17 : x - Step 2: Convert to fraction form
533,130.65/735,720.30 = 291,414.17/x - Step 3: Cross multiply
533,130.65x = 735,720.30 × 291,414.17 - Step 4: Simplify right side
533,130.65x = 214,399,316,898.05 - Step 5: Solve for x
x = 214,399,316,898.05/533,130.65 - Step 6: Final answer
x = 402,151.55
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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.