Finding the Fourth Proportional to 457,534.26, 686,301.40 and 125,110.26
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Solution
The fourth proportional to 457,534.26, 686,301.40 and 125,110.26 is: 187,665.39
Step by Step Solution
- Step 1: Write the proportion equation
457,534.26 : 686,301.40 = 125,110.26 : x - Step 2: Convert to fraction form
457,534.26/686,301.40 = 125,110.26/x - Step 3: Cross multiply
457,534.26x = 686,301.40 × 125,110.26 - Step 4: Simplify right side
457,534.26x = 85,863,346,592.36 - Step 5: Solve for x
x = 85,863,346,592.36/457,534.26 - Step 6: Final answer
x = 187,665.39
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Similar ratio
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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.