Home / 284,107.20-426,049.92-106,517.28

Finding the Fourth Proportional to 284,107.20, 426,049.92 and 106,517.28

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Solution

The fourth proportional to 284,107.20, 426,049.92 and 106,517.28 is: 159,734.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,107.20 : 426,049.92 = 106,517.28 : x
  2. Step 2: Convert to fraction form
    284,107.20/426,049.92 = 106,517.28/x
  3. Step 3: Cross multiply
    284,107.20x = 426,049.92 × 106,517.28
  4. Step 4: Simplify right side
    284,107.20x = 45,381,678,622.62
  5. Step 5: Solve for x
    x = 45,381,678,622.62/284,107.20
  6. Step 6: Final answer
    x = 159,734.35

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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.