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Finding the Fourth Proportional to 398,799.96, 598,000.05 and 132,467.10

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Solution

The fourth proportional to 398,799.96, 598,000.05 and 132,467.10 is: 198,634.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,799.96 : 598,000.05 = 132,467.10 : x
  2. Step 2: Convert to fraction form
    398,799.96/598,000.05 = 132,467.10/x
  3. Step 3: Cross multiply
    398,799.96x = 598,000.05 × 132,467.10
  4. Step 4: Simplify right side
    398,799.96x = 79,215,332,423.36
  5. Step 5: Solve for x
    x = 79,215,332,423.36/398,799.96
  6. Step 6: Final answer
    x = 198,634.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.