Home / 484,139.20-726,214.08-147,234.64

Finding the Fourth Proportional to 484,139.20, 726,214.08 and 147,234.64

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Solution

The fourth proportional to 484,139.20, 726,214.08 and 147,234.64 is: 220,853.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,139.20 : 726,214.08 = 147,234.64 : x
  2. Step 2: Convert to fraction form
    484,139.20/726,214.08 = 147,234.64/x
  3. Step 3: Cross multiply
    484,139.20x = 726,214.08 × 147,234.64
  4. Step 4: Simplify right side
    484,139.20x = 106,923,868,631.73
  5. Step 5: Solve for x
    x = 106,923,868,631.73/484,139.20
  6. Step 6: Final answer
    x = 220,853.57

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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.