Finding the Fourth Proportional to 239,633.24, 330,691.95 and 132,207.80
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Solution
The fourth proportional to 239,633.24, 330,691.95 and 132,207.80 is: 182,445.70
Step by Step Solution
- Step 1: Write the proportion equation
239,633.24 : 330,691.95 = 132,207.80 : x - Step 2: Convert to fraction form
239,633.24/330,691.95 = 132,207.80/x - Step 3: Cross multiply
239,633.24x = 330,691.95 × 132,207.80 - Step 4: Simplify right side
239,633.24x = 43,720,053,533.75 - Step 5: Solve for x
x = 43,720,053,533.75/239,633.24 - Step 6: Final answer
x = 182,445.70
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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.