Finding the Fourth Proportional to 239,967.56, 331,126.91 and 132,531.19
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Solution
The fourth proportional to 239,967.56, 331,126.91 and 132,531.19 is: 182,877.39
Step by Step Solution
- Step 1: Write the proportion equation
239,967.56 : 331,126.91 = 132,531.19 : x - Step 2: Convert to fraction form
239,967.56/331,126.91 = 132,531.19/x - Step 3: Cross multiply
239,967.56x = 331,126.91 × 132,531.19 - Step 4: Simplify right side
239,967.56x = 43,884,641,932.85 - Step 5: Solve for x
x = 43,884,641,932.85/239,967.56 - Step 6: Final answer
x = 182,877.39
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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.