Finding the Fourth Proportional to 344,117.70, 516,176.55 and 91,397.70
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Solution
The fourth proportional to 344,117.70, 516,176.55 and 91,397.70 is: 137,096.55
Step by Step Solution
- Step 1: Write the proportion equation
344,117.70 : 516,176.55 = 91,397.70 : x - Step 2: Convert to fraction form
344,117.70/516,176.55 = 91,397.70/x - Step 3: Cross multiply
344,117.70x = 516,176.55 × 91,397.70 - Step 4: Simplify right side
344,117.70x = 47,177,349,463.94 - Step 5: Solve for x
x = 47,177,349,463.94/344,117.70 - Step 6: Final answer
x = 137,096.55
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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.