Finding the Fourth Proportional to 239,819.97, 330,952.05 and 132,390.15
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Solution
The fourth proportional to 239,819.97, 330,952.05 and 132,390.15 is: 182,698.68
Step by Step Solution
- Step 1: Write the proportion equation
239,819.97 : 330,952.05 = 132,390.15 : x - Step 2: Convert to fraction form
239,819.97/330,952.05 = 132,390.15/x - Step 3: Cross multiply
239,819.97x = 330,952.05 × 132,390.15 - Step 4: Simplify right side
239,819.97x = 43,814,791,542.31 - Step 5: Solve for x
x = 43,814,791,542.31/239,819.97 - Step 6: Final answer
x = 182,698.68
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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.