Home / 442,455.42-663,593.85-126,827.58

Finding the Fourth Proportional to 442,455.42, 663,593.85 and 126,827.58

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Solution

The fourth proportional to 442,455.42, 663,593.85 and 126,827.58 is: 190,215.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,455.42 : 663,593.85 = 126,827.58 : x
  2. Step 2: Convert to fraction form
    442,455.42/663,593.85 = 126,827.58/x
  3. Step 3: Cross multiply
    442,455.42x = 663,593.85 × 126,827.58
  4. Step 4: Simplify right side
    442,455.42x = 84,162,002,098.38
  5. Step 5: Solve for x
    x = 84,162,002,098.38/442,455.42
  6. Step 6: Final answer
    x = 190,215.78

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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.