Home / 250,331.38-375,545.41-81,806.25

Finding the Fourth Proportional to 250,331.38, 375,545.41 and 81,806.25

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Solution

The fourth proportional to 250,331.38, 375,545.41 and 81,806.25 is: 122,725.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,331.38 : 375,545.41 = 81,806.25 : x
  2. Step 2: Convert to fraction form
    250,331.38/375,545.41 = 81,806.25/x
  3. Step 3: Cross multiply
    250,331.38x = 375,545.41 × 81,806.25
  4. Step 4: Simplify right side
    250,331.38x = 30,721,961,287.78
  5. Step 5: Solve for x
    x = 30,721,961,287.78/250,331.38
  6. Step 6: Final answer
    x = 122,725.17

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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.