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Finding the Fourth Proportional to 381,875.01, 572,593.02 and 157,390.41

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Solution

The fourth proportional to 381,875.01, 572,593.02 and 157,390.41 is: 235,995.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,875.01 : 572,593.02 = 157,390.41 : x
  2. Step 2: Convert to fraction form
    381,875.01/572,593.02 = 157,390.41/x
  3. Step 3: Cross multiply
    381,875.01x = 572,593.02 × 157,390.41
  4. Step 4: Simplify right side
    381,875.01x = 90,120,650,180.94
  5. Step 5: Solve for x
    x = 90,120,650,180.94/381,875.01
  6. Step 6: Final answer
    x = 235,995.15

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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.