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Finding the Fourth Proportional to 275,067.48, 412,604.88 and 88,079

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Solution

The fourth proportional to 275,067.48, 412,604.88 and 88,079 is: 132,119.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,067.48 : 412,604.88 = 88,079 : x
  2. Step 2: Convert to fraction form
    275,067.48/412,604.88 = 88,079/x
  3. Step 3: Cross multiply
    275,067.48x = 412,604.88 × 88,079
  4. Step 4: Simplify right side
    275,067.48x = 36,341,825,225.52
  5. Step 5: Solve for x
    x = 36,341,825,225.52/275,067.48
  6. Step 6: Final answer
    x = 132,119.67

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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.