Finding the Fourth Proportional to 239,781.62, 330,898.67 and 132,351.68
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Solution
The fourth proportional to 239,781.62, 330,898.67 and 132,351.68 is: 182,645.33
Step by Step Solution
- Step 1: Write the proportion equation
239,781.62 : 330,898.67 = 132,351.68 : x - Step 2: Convert to fraction form
239,781.62/330,898.67 = 132,351.68/x - Step 3: Cross multiply
239,781.62x = 330,898.67 × 132,351.68 - Step 4: Simplify right side
239,781.62x = 43,794,992,568.01 - Step 5: Solve for x
x = 43,794,992,568.01/239,781.62 - Step 6: Final answer
x = 182,645.33
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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.