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Finding the Fourth Proportional to 225,520.80, 338,245.92 and 99,133.08

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Solution

The fourth proportional to 225,520.80, 338,245.92 and 99,133.08 is: 148,684.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,520.80 : 338,245.92 = 99,133.08 : x
  2. Step 2: Convert to fraction form
    225,520.80/338,245.92 = 99,133.08/x
  3. Step 3: Cross multiply
    225,520.80x = 338,245.92 × 99,133.08
  4. Step 4: Simplify right side
    225,520.80x = 33,531,359,847.03
  5. Step 5: Solve for x
    x = 33,531,359,847.03/225,520.80
  6. Step 6: Final answer
    x = 148,684.11

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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.