Finding the Fourth Proportional to 239,767.98, 330,882.21 and 132,335.66
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Solution
The fourth proportional to 239,767.98, 330,882.21 and 132,335.66 is: 182,624.53
Step by Step Solution
- Step 1: Write the proportion equation
239,767.98 : 330,882.21 = 132,335.66 : x - Step 2: Convert to fraction form
239,767.98/330,882.21 = 132,335.66/x - Step 3: Cross multiply
239,767.98x = 330,882.21 × 132,335.66 - Step 4: Simplify right side
239,767.98x = 43,787,513,988.20 - Step 5: Solve for x
x = 43,787,513,988.20/239,767.98 - Step 6: Final answer
x = 182,624.53
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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.