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Finding the Fourth Proportional to 151,504.40, 226,819.20 and 92,455.40

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Solution

The fourth proportional to 151,504.40, 226,819.20 and 92,455.40 is: 138,416.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,504.40 : 226,819.20 = 92,455.40 : x
  2. Step 2: Convert to fraction form
    151,504.40/226,819.20 = 92,455.40/x
  3. Step 3: Cross multiply
    151,504.40x = 226,819.20 × 92,455.40
  4. Step 4: Simplify right side
    151,504.40x = 20,970,659,863.68
  5. Step 5: Solve for x
    x = 20,970,659,863.68/151,504.40
  6. Step 6: Final answer
    x = 138,416.18

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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.