Home / 465,456.22-698,170.38-128,517.43

Finding the Fourth Proportional to 465,456.22, 698,170.38 and 128,517.43

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Solution

The fourth proportional to 465,456.22, 698,170.38 and 128,517.43 is: 192,772.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,456.22 : 698,170.38 = 128,517.43 : x
  2. Step 2: Convert to fraction form
    465,456.22/698,170.38 = 128,517.43/x
  3. Step 3: Cross multiply
    465,456.22x = 698,170.38 × 128,517.43
  4. Step 4: Simplify right side
    465,456.22x = 89,727,062,939.72
  5. Step 5: Solve for x
    x = 89,727,062,939.72/465,456.22
  6. Step 6: Final answer
    x = 192,772.29

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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.