Home / 207,227.20-310,841.28-88,821.76

Finding the Fourth Proportional to 207,227.20, 310,841.28 and 88,821.76

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Solution

The fourth proportional to 207,227.20, 310,841.28 and 88,821.76 is: 133,232.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,227.20 : 310,841.28 = 88,821.76 : x
  2. Step 2: Convert to fraction form
    207,227.20/310,841.28 = 88,821.76/x
  3. Step 3: Cross multiply
    207,227.20x = 310,841.28 × 88,821.76
  4. Step 4: Simplify right side
    207,227.20x = 27,609,469,570.25
  5. Step 5: Solve for x
    x = 27,609,469,570.25/207,227.20
  6. Step 6: Final answer
    x = 133,232.85

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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.