Home / 276,899.77-382,121.85-149,575.42

Finding the Fourth Proportional to 276,899.77, 382,121.85 and 149,575.42

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Solution

The fourth proportional to 276,899.77, 382,121.85 and 149,575.42 is: 206,414.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,899.77 : 382,121.85 = 149,575.42 : x
  2. Step 2: Convert to fraction form
    276,899.77/382,121.85 = 149,575.42/x
  3. Step 3: Cross multiply
    276,899.77x = 382,121.85 × 149,575.42
  4. Step 4: Simplify right side
    276,899.77x = 57,156,036,204.93
  5. Step 5: Solve for x
    x = 57,156,036,204.93/276,899.77
  6. Step 6: Final answer
    x = 206,414.17

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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.