Home / 230,451.28-345,439.49-88,257.80

Finding the Fourth Proportional to 230,451.28, 345,439.49 and 88,257.80

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Solution

The fourth proportional to 230,451.28, 345,439.49 and 88,257.80 is: 132,295.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,451.28 : 345,439.49 = 88,257.80 : x
  2. Step 2: Convert to fraction form
    230,451.28/345,439.49 = 88,257.80/x
  3. Step 3: Cross multiply
    230,451.28x = 345,439.49 × 88,257.80
  4. Step 4: Simplify right side
    230,451.28x = 30,487,729,842.83
  5. Step 5: Solve for x
    x = 30,487,729,842.83/230,451.28
  6. Step 6: Final answer
    x = 132,295.77

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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.