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Finding the Fourth Proportional to 376,889.38, 565,355.61 and 106,996.41

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Solution

The fourth proportional to 376,889.38, 565,355.61 and 106,996.41 is: 160,500.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,889.38 : 565,355.61 = 106,996.41 : x
  2. Step 2: Convert to fraction form
    376,889.38/565,355.61 = 106,996.41/x
  3. Step 3: Cross multiply
    376,889.38x = 565,355.61 × 106,996.41
  4. Step 4: Simplify right side
    376,889.38x = 60,491,018,084.07
  5. Step 5: Solve for x
    x = 60,491,018,084.07/376,889.38
  6. Step 6: Final answer
    x = 160,500.73

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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.