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Finding the Fourth Proportional to 250,327.45, 375,737.87 and 178,360.30

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Solution

The fourth proportional to 250,327.45, 375,737.87 and 178,360.30 is: 267,716.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,327.45 : 375,737.87 = 178,360.30 : x
  2. Step 2: Convert to fraction form
    250,327.45/375,737.87 = 178,360.30/x
  3. Step 3: Cross multiply
    250,327.45x = 375,737.87 × 178,360.30
  4. Step 4: Simplify right side
    250,327.45x = 67,016,719,214.56
  5. Step 5: Solve for x
    x = 67,016,719,214.56/250,327.45
  6. Step 6: Final answer
    x = 267,716.22

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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.