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Finding the Fourth Proportional to 250,375.10, 375,134.78 and 178,932.74

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Solution

The fourth proportional to 250,375.10, 375,134.78 and 178,932.74 is: 268,093.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,375.10 : 375,134.78 = 178,932.74 : x
  2. Step 2: Convert to fraction form
    250,375.10/375,134.78 = 178,932.74/x
  3. Step 3: Cross multiply
    250,375.10x = 375,134.78 × 178,932.74
  4. Step 4: Simplify right side
    250,375.10x = 67,123,892,626.36
  5. Step 5: Solve for x
    x = 67,123,892,626.36/250,375.10
  6. Step 6: Final answer
    x = 268,093.33

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1.5x scale

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.