Finding the Fourth Proportional to 173,701.28, 239,517.42 and 113,159.66
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Solution
The fourth proportional to 173,701.28, 239,517.42 and 113,159.66 is: 156,036.32
Step by Step Solution
- Step 1: Write the proportion equation
173,701.28 : 239,517.42 = 113,159.66 : x - Step 2: Convert to fraction form
173,701.28/239,517.42 = 113,159.66/x - Step 3: Cross multiply
173,701.28x = 239,517.42 × 113,159.66 - Step 4: Simplify right side
173,701.28x = 27,103,708,507.60 - Step 5: Solve for x
x = 27,103,708,507.60/173,701.28 - Step 6: Final answer
x = 156,036.32
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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.