Finding the Fourth Proportional to 239,793.65, 330,915.29 and 132,363.71
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Solution
The fourth proportional to 239,793.65, 330,915.29 and 132,363.71 is: 182,661.95
Step by Step Solution
- Step 1: Write the proportion equation
239,793.65 : 330,915.29 = 132,363.71 : x - Step 2: Convert to fraction form
239,793.65/330,915.29 = 132,363.71/x - Step 3: Cross multiply
239,793.65x = 330,915.29 × 132,363.71 - Step 4: Simplify right side
239,793.65x = 43,801,175,480.13 - Step 5: Solve for x
x = 43,801,175,480.13/239,793.65 - Step 6: Final answer
x = 182,661.95
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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.