Finding the Fourth Proportional to 251,668.26, 377,541.27 and 91,757.70
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Solution
The fourth proportional to 251,668.26, 377,541.27 and 91,757.70 is: 137,650.73
Step by Step Solution
- Step 1: Write the proportion equation
251,668.26 : 377,541.27 = 91,757.70 : x - Step 2: Convert to fraction form
251,668.26/377,541.27 = 91,757.70/x - Step 3: Cross multiply
251,668.26x = 377,541.27 × 91,757.70 - Step 4: Simplify right side
251,668.26x = 34,642,318,590.28 - Step 5: Solve for x
x = 34,642,318,590.28/251,668.26 - Step 6: Final answer
x = 137,650.73
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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.