Home / 230,000.50-345,003.86-72,228.97

Finding the Fourth Proportional to 230,000.50, 345,003.86 and 72,228.97

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Solution

The fourth proportional to 230,000.50, 345,003.86 and 72,228.97 is: 108,344.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,000.50 : 345,003.86 = 72,228.97 : x
  2. Step 2: Convert to fraction form
    230,000.50/345,003.86 = 72,228.97/x
  3. Step 3: Cross multiply
    230,000.50x = 345,003.86 × 72,228.97
  4. Step 4: Simplify right side
    230,000.50x = 24,919,273,453.82
  5. Step 5: Solve for x
    x = 24,919,273,453.82/230,000.50
  6. Step 6: Final answer
    x = 108,344.43

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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.