Home / 269,680.20-404,235.93-89,717.56

Finding the Fourth Proportional to 269,680.20, 404,235.93 and 89,717.56

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Solution

The fourth proportional to 269,680.20, 404,235.93 and 89,717.56 is: 134,481.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,680.20 : 404,235.93 = 89,717.56 : x
  2. Step 2: Convert to fraction form
    269,680.20/404,235.93 = 89,717.56/x
  3. Step 3: Cross multiply
    269,680.20x = 404,235.93 × 89,717.56
  4. Step 4: Simplify right side
    269,680.20x = 36,267,059,282.75
  5. Step 5: Solve for x
    x = 36,267,059,282.75/269,680.20
  6. Step 6: Final answer
    x = 134,481.73

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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.