Finding the Fourth Proportional to 437,517.07, 656,312.66 and 121,974.28
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Solution
The fourth proportional to 437,517.07, 656,312.66 and 121,974.28 is: 182,971.75
Step by Step Solution
- Step 1: Write the proportion equation
437,517.07 : 656,312.66 = 121,974.28 : x - Step 2: Convert to fraction form
437,517.07/656,312.66 = 121,974.28/x - Step 3: Cross multiply
437,517.07x = 656,312.66 × 121,974.28 - Step 4: Simplify right side
437,517.07x = 80,053,264,158.38 - Step 5: Solve for x
x = 80,053,264,158.38/437,517.07 - Step 6: Final answer
x = 182,971.75
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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.