Home / 281,774.30-422,620.57-92,242.17

Finding the Fourth Proportional to 281,774.30, 422,620.57 and 92,242.17

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Solution

The fourth proportional to 281,774.30, 422,620.57 and 92,242.17 is: 138,349.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,774.30 : 422,620.57 = 92,242.17 : x
  2. Step 2: Convert to fraction form
    281,774.30/422,620.57 = 92,242.17/x
  3. Step 3: Cross multiply
    281,774.30x = 422,620.57 × 92,242.17
  4. Step 4: Simplify right side
    281,774.30x = 38,983,438,463.44
  5. Step 5: Solve for x
    x = 38,983,438,463.44/281,774.30
  6. Step 6: Final answer
    x = 138,349.87

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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.