Finding the Fourth Proportional to 239,711.25, 330,808.26 and 132,288.08
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Solution
The fourth proportional to 239,711.25, 330,808.26 and 132,288.08 is: 182,561.26
Step by Step Solution
- Step 1: Write the proportion equation
239,711.25 : 330,808.26 = 132,288.08 : x - Step 2: Convert to fraction form
239,711.25/330,808.26 = 132,288.08/x - Step 3: Cross multiply
239,711.25x = 330,808.26 × 132,288.08 - Step 4: Simplify right side
239,711.25x = 43,761,987,909.50 - Step 5: Solve for x
x = 43,761,987,909.50/239,711.25 - Step 6: Final answer
x = 182,561.26
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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.