Home / 486,232.20-729,348.30-131,282.10

Finding the Fourth Proportional to 486,232.20, 729,348.30 and 131,282.10

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Solution

The fourth proportional to 486,232.20, 729,348.30 and 131,282.10 is: 196,923.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,232.20 : 729,348.30 = 131,282.10 : x
  2. Step 2: Convert to fraction form
    486,232.20/729,348.30 = 131,282.10/x
  3. Step 3: Cross multiply
    486,232.20x = 729,348.30 × 131,282.10
  4. Step 4: Simplify right side
    486,232.20x = 95,750,376,455.43
  5. Step 5: Solve for x
    x = 95,750,376,455.43/486,232.20
  6. Step 6: Final answer
    x = 196,923.15

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Similar ratio
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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.