Home / 442,934.22-664,507.17-143,415.12

Finding the Fourth Proportional to 442,934.22, 664,507.17 and 143,415.12

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Solution

The fourth proportional to 442,934.22, 664,507.17 and 143,415.12 is: 215,156.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,934.22 : 664,507.17 = 143,415.12 : x
  2. Step 2: Convert to fraction form
    442,934.22/664,507.17 = 143,415.12/x
  3. Step 3: Cross multiply
    442,934.22x = 664,507.17 × 143,415.12
  4. Step 4: Simplify right side
    442,934.22x = 95,300,375,526.41
  5. Step 5: Solve for x
    x = 95,300,375,526.41/442,934.22
  6. Step 6: Final answer
    x = 215,156.95

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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.