Home / 276,949.31-415,257.56-108,268.73

Finding the Fourth Proportional to 276,949.31, 415,257.56 and 108,268.73

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Solution

The fourth proportional to 276,949.31, 415,257.56 and 108,268.73 is: 162,338.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,949.31 : 415,257.56 = 108,268.73 : x
  2. Step 2: Convert to fraction form
    276,949.31/415,257.56 = 108,268.73/x
  3. Step 3: Cross multiply
    276,949.31x = 415,257.56 × 108,268.73
  4. Step 4: Simplify right side
    276,949.31x = 44,959,406,026.47
  5. Step 5: Solve for x
    x = 44,959,406,026.47/276,949.31
  6. Step 6: Final answer
    x = 162,338.04

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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.