Finding the Fourth Proportional to 239,630.76, 330,689.52 and 132,207.48
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Solution
The fourth proportional to 239,630.76, 330,689.52 and 132,207.48 is: 182,445.81
Step by Step Solution
- Step 1: Write the proportion equation
239,630.76 : 330,689.52 = 132,207.48 : x - Step 2: Convert to fraction form
239,630.76/330,689.52 = 132,207.48/x - Step 3: Cross multiply
239,630.76x = 330,689.52 × 132,207.48 - Step 4: Simplify right side
239,630.76x = 43,719,628,101.61 - Step 5: Solve for x
x = 43,719,628,101.61/239,630.76 - Step 6: Final answer
x = 182,445.81
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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.