Home / 276,917.10-415,084.05-108,372.30

Finding the Fourth Proportional to 276,917.10, 415,084.05 and 108,372.30

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Solution

The fourth proportional to 276,917.10, 415,084.05 and 108,372.30 is: 162,444.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,917.10 : 415,084.05 = 108,372.30 : x
  2. Step 2: Convert to fraction form
    276,917.10/415,084.05 = 108,372.30/x
  3. Step 3: Cross multiply
    276,917.10x = 415,084.05 × 108,372.30
  4. Step 4: Simplify right side
    276,917.10x = 44,983,613,191.82
  5. Step 5: Solve for x
    x = 44,983,613,191.82/276,917.10
  6. Step 6: Final answer
    x = 162,444.33

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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.