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Finding the Fourth Proportional to 230,017.70, 345,037.35 and 72,251.30

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Solution

The fourth proportional to 230,017.70, 345,037.35 and 72,251.30 is: 108,380.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,017.70 : 345,037.35 = 72,251.30 : x
  2. Step 2: Convert to fraction form
    230,017.70/345,037.35 = 72,251.30/x
  3. Step 3: Cross multiply
    230,017.70x = 345,037.35 × 72,251.30
  4. Step 4: Simplify right side
    230,017.70x = 24,929,397,086.06
  5. Step 5: Solve for x
    x = 24,929,397,086.06/230,017.70
  6. Step 6: Final answer
    x = 108,380.34

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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.