Finding the Fourth Proportional to 239,807.18, 330,933.97 and 132,377.28
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Solution
The fourth proportional to 239,807.18, 330,933.97 and 132,377.28 is: 182,680.68
Step by Step Solution
- Step 1: Write the proportion equation
239,807.18 : 330,933.97 = 132,377.28 : x - Step 2: Convert to fraction form
239,807.18/330,933.97 = 132,377.28/x - Step 3: Cross multiply
239,807.18x = 330,933.97 × 132,377.28 - Step 4: Simplify right side
239,807.18x = 43,808,138,808.20 - Step 5: Solve for x
x = 43,808,138,808.20/239,807.18 - Step 6: Final answer
x = 182,680.68
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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.