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Finding the Fourth Proportional to 225,544.64, 338,274.63 and 113,194.73

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Solution

The fourth proportional to 225,544.64, 338,274.63 and 113,194.73 is: 169,770.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,544.64 : 338,274.63 = 113,194.73 : x
  2. Step 2: Convert to fraction form
    225,544.64/338,274.63 = 113,194.73/x
  3. Step 3: Cross multiply
    225,544.64x = 338,274.63 × 113,194.73
  4. Step 4: Simplify right side
    225,544.64x = 38,290,906,254.39
  5. Step 5: Solve for x
    x = 38,290,906,254.39/225,544.64
  6. Step 6: Final answer
    x = 169,770.86

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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.