Finding the Fourth Proportional to 344,134.12, 516,201.17 and 133,821.26
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Solution
The fourth proportional to 344,134.12, 516,201.17 and 133,821.26 is: 200,731.89
Step by Step Solution
- Step 1: Write the proportion equation
344,134.12 : 516,201.17 = 133,821.26 : x - Step 2: Convert to fraction form
344,134.12/516,201.17 = 133,821.26/x - Step 3: Cross multiply
344,134.12x = 516,201.17 × 133,821.26 - Step 4: Simplify right side
344,134.12x = 69,078,690,982.87 - Step 5: Solve for x
x = 69,078,690,982.87/344,134.12 - Step 6: Final answer
x = 200,731.89
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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.