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Finding the Fourth Proportional to 225,880.79, 338,712.20 and 131,134.83

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Solution

The fourth proportional to 225,880.79, 338,712.20 and 131,134.83 is: 196,638.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,880.79 : 338,712.20 = 131,134.83 : x
  2. Step 2: Convert to fraction form
    225,880.79/338,712.20 = 131,134.83/x
  3. Step 3: Cross multiply
    225,880.79x = 338,712.20 × 131,134.83
  4. Step 4: Simplify right side
    225,880.79x = 44,416,966,110.25
  5. Step 5: Solve for x
    x = 44,416,966,110.25/225,880.79
  6. Step 6: Final answer
    x = 196,638.98

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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.