Home / 442,207.62-663,196.68-126,590.85

Finding the Fourth Proportional to 442,207.62, 663,196.68 and 126,590.85

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Solution

The fourth proportional to 442,207.62, 663,196.68 and 126,590.85 is: 189,853.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,207.62 : 663,196.68 = 126,590.85 : x
  2. Step 2: Convert to fraction form
    442,207.62/663,196.68 = 126,590.85/x
  3. Step 3: Cross multiply
    442,207.62x = 663,196.68 × 126,590.85
  4. Step 4: Simplify right side
    442,207.62x = 83,954,631,438.38
  5. Step 5: Solve for x
    x = 83,954,631,438.38/442,207.62
  6. Step 6: Final answer
    x = 189,853.43

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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.