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Finding the Fourth Proportional to 250,414.78, 375,622.78 and 72,926.10

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Solution

The fourth proportional to 250,414.78, 375,622.78 and 72,926.10 is: 109,389.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,414.78 : 375,622.78 = 72,926.10 : x
  2. Step 2: Convert to fraction form
    250,414.78/375,622.78 = 72,926.10/x
  3. Step 3: Cross multiply
    250,414.78x = 375,622.78 × 72,926.10
  4. Step 4: Simplify right side
    250,414.78x = 27,392,704,416.56
  5. Step 5: Solve for x
    x = 27,392,704,416.56/250,414.78
  6. Step 6: Final answer
    x = 109,389.33

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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.