Home / 381,424.14-572,110.82-156,726.36

Finding the Fourth Proportional to 381,424.14, 572,110.82 and 156,726.36

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Solution

The fourth proportional to 381,424.14, 572,110.82 and 156,726.36 is: 235,079.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,424.14 : 572,110.82 = 156,726.36 : x
  2. Step 2: Convert to fraction form
    381,424.14/572,110.82 = 156,726.36/x
  3. Step 3: Cross multiply
    381,424.14x = 572,110.82 × 156,726.36
  4. Step 4: Simplify right side
    381,424.14x = 89,664,846,335.22
  5. Step 5: Solve for x
    x = 89,664,846,335.22/381,424.14
  6. Step 6: Final answer
    x = 235,079.11

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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.