Finding the Fourth Proportional to 132,491.26, 182,839.26 and 72,063.31
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Solution
The fourth proportional to 132,491.26, 182,839.26 and 72,063.31 is: 99,448.09
Step by Step Solution
- Step 1: Write the proportion equation
132,491.26 : 182,839.26 = 72,063.31 : x - Step 2: Convert to fraction form
132,491.26/182,839.26 = 72,063.31/x - Step 3: Cross multiply
132,491.26x = 182,839.26 × 72,063.31 - Step 4: Simplify right side
132,491.26x = 13,176,002,273.55 - Step 5: Solve for x
x = 13,176,002,273.55/132,491.26 - Step 6: Final answer
x = 99,448.09
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.