Home / 330,834.40-496,251.60-204,575.20

Finding the Fourth Proportional to 330,834.40, 496,251.60 and 204,575.20

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Solution

The fourth proportional to 330,834.40, 496,251.60 and 204,575.20 is: 306,862.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,834.40 : 496,251.60 = 204,575.20 : x
  2. Step 2: Convert to fraction form
    330,834.40/496,251.60 = 204,575.20/x
  3. Step 3: Cross multiply
    330,834.40x = 496,251.60 × 204,575.20
  4. Step 4: Simplify right side
    330,834.40x = 101,520,770,320.32
  5. Step 5: Solve for x
    x = 101,520,770,320.32/330,834.40
  6. Step 6: Final answer
    x = 306,862.80

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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.