Finding the Fourth Proportional to 292,344.29, 438,557.97 and 89,957.18
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Solution
The fourth proportional to 292,344.29, 438,557.97 and 89,957.18 is: 134,948.55
Step by Step Solution
- Step 1: Write the proportion equation
292,344.29 : 438,557.97 = 89,957.18 : x - Step 2: Convert to fraction form
292,344.29/438,557.97 = 89,957.18/x - Step 3: Cross multiply
292,344.29x = 438,557.97 × 89,957.18 - Step 4: Simplify right side
292,344.29x = 39,451,437,699.53 - Step 5: Solve for x
x = 39,451,437,699.53/292,344.29 - Step 6: Final answer
x = 134,948.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.