Finding the Fourth Proportional to 361,882.50, 542,666.02 and 121,951.68
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Solution
The fourth proportional to 361,882.50, 542,666.02 and 121,951.68 is: 182,874.37
Step by Step Solution
- Step 1: Write the proportion equation
361,882.50 : 542,666.02 = 121,951.68 : x - Step 2: Convert to fraction form
361,882.50/542,666.02 = 121,951.68/x - Step 3: Cross multiply
361,882.50x = 542,666.02 × 121,951.68 - Step 4: Simplify right side
361,882.50x = 66,179,032,817.91 - Step 5: Solve for x
x = 66,179,032,817.91/361,882.50 - Step 6: Final answer
x = 182,874.37
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1.5x scale
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.