Finding the Fourth Proportional to 239,843.97, 330,985.17 and 132,414.21
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Solution
The fourth proportional to 239,843.97, 330,985.17 and 132,414.21 is: 182,731.88
Step by Step Solution
- Step 1: Write the proportion equation
239,843.97 : 330,985.17 = 132,414.21 : x - Step 2: Convert to fraction form
239,843.97/330,985.17 = 132,414.21/x - Step 3: Cross multiply
239,843.97x = 330,985.17 × 132,414.21 - Step 4: Simplify right side
239,843.97x = 43,827,139,807.27 - Step 5: Solve for x
x = 43,827,139,807.27/239,843.97 - Step 6: Final answer
x = 182,731.88
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1.5x scale
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.