Finding the Fourth Proportional to 371,794.26, 557,691.93 and 91,311.78
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Solution
The fourth proportional to 371,794.26, 557,691.93 and 91,311.78 is: 136,967.80
Step by Step Solution
- Step 1: Write the proportion equation
371,794.26 : 557,691.93 = 91,311.78 : x - Step 2: Convert to fraction form
371,794.26/557,691.93 = 91,311.78/x - Step 3: Cross multiply
371,794.26x = 557,691.93 × 91,311.78 - Step 4: Simplify right side
371,794.26x = 50,923,842,819.94 - Step 5: Solve for x
x = 50,923,842,819.94/371,794.26 - Step 6: Final answer
x = 136,967.80
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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.