Home / 276,811.27-381,999.54-149,486.85

Finding the Fourth Proportional to 276,811.27, 381,999.54 and 149,486.85

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Solution

The fourth proportional to 276,811.27, 381,999.54 and 149,486.85 is: 206,291.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,811.27 : 381,999.54 = 149,486.85 : x
  2. Step 2: Convert to fraction form
    276,811.27/381,999.54 = 149,486.85/x
  3. Step 3: Cross multiply
    276,811.27x = 381,999.54 × 149,486.85
  4. Step 4: Simplify right side
    276,811.27x = 57,103,906,026.05
  5. Step 5: Solve for x
    x = 57,103,906,026.05/276,811.27
  6. Step 6: Final answer
    x = 206,291.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.