Finding the Fourth Proportional to 344,138.12, 516,207.17 and 133,825.26
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Solution
The fourth proportional to 344,138.12, 516,207.17 and 133,825.26 is: 200,737.89
Step by Step Solution
- Step 1: Write the proportion equation
344,138.12 : 516,207.17 = 133,825.26 : x - Step 2: Convert to fraction form
344,138.12/516,207.17 = 133,825.26/x - Step 3: Cross multiply
344,138.12x = 516,207.17 × 133,825.26 - Step 4: Simplify right side
344,138.12x = 69,081,558,739.11 - Step 5: Solve for x
x = 69,081,558,739.11/344,138.12 - Step 6: Final answer
x = 200,737.89
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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.