Home / 276,785.88-415,310.04-164,687.56

Finding the Fourth Proportional to 276,785.88, 415,310.04 and 164,687.56

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Solution

The fourth proportional to 276,785.88, 415,310.04 and 164,687.56 is: 247,109.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,785.88 : 415,310.04 = 164,687.56 : x
  2. Step 2: Convert to fraction form
    276,785.88/415,310.04 = 164,687.56/x
  3. Step 3: Cross multiply
    276,785.88x = 415,310.04 × 164,687.56
  4. Step 4: Simplify right side
    276,785.88x = 68,396,397,131.10
  5. Step 5: Solve for x
    x = 68,396,397,131.10/276,785.88
  6. Step 6: Final answer
    x = 247,109.42

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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.