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Finding the Fourth Proportional to 250,286.60, 375,477.29 and 100,538.61

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Solution

The fourth proportional to 250,286.60, 375,477.29 and 100,538.61 is: 150,826.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,286.60 : 375,477.29 = 100,538.61 : x
  2. Step 2: Convert to fraction form
    250,286.60/375,477.29 = 100,538.61/x
  3. Step 3: Cross multiply
    250,286.60x = 375,477.29 × 100,538.61
  4. Step 4: Simplify right side
    250,286.60x = 37,749,964,320.47
  5. Step 5: Solve for x
    x = 37,749,964,320.47/250,286.60
  6. Step 6: Final answer
    x = 150,826.95

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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.