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Finding the Fourth Proportional to 230,037.66, 345,091.32 and 72,251.28

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Solution

The fourth proportional to 230,037.66, 345,091.32 and 72,251.28 is: 108,387.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,037.66 : 345,091.32 = 72,251.28 : x
  2. Step 2: Convert to fraction form
    230,037.66/345,091.32 = 72,251.28/x
  3. Step 3: Cross multiply
    230,037.66x = 345,091.32 × 72,251.28
  4. Step 4: Simplify right side
    230,037.66x = 24,933,289,586.89
  5. Step 5: Solve for x
    x = 24,933,289,586.89/230,037.66
  6. Step 6: Final answer
    x = 108,387.86

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1.5x scale

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.