Home / 442,933.72-664,506.42-143,414.62

Finding the Fourth Proportional to 442,933.72, 664,506.42 and 143,414.62

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Solution

The fourth proportional to 442,933.72, 664,506.42 and 143,414.62 is: 215,156.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,933.72 : 664,506.42 = 143,414.62 : x
  2. Step 2: Convert to fraction form
    442,933.72/664,506.42 = 143,414.62/x
  3. Step 3: Cross multiply
    442,933.72x = 664,506.42 × 143,414.62
  4. Step 4: Simplify right side
    442,933.72x = 95,299,935,711.86
  5. Step 5: Solve for x
    x = 95,299,935,711.86/442,933.72
  6. Step 6: Final answer
    x = 215,156.20

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1.5x scale

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.