Home / 281,493.43-422,260.70-79,119.38

Finding the Fourth Proportional to 281,493.43, 422,260.70 and 79,119.38

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Solution

The fourth proportional to 281,493.43, 422,260.70 and 79,119.38 is: 118,684.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,493.43 : 422,260.70 = 79,119.38 : x
  2. Step 2: Convert to fraction form
    281,493.43/422,260.70 = 79,119.38/x
  3. Step 3: Cross multiply
    281,493.43x = 422,260.70 × 79,119.38
  4. Step 4: Simplify right side
    281,493.43x = 33,409,005,442.42
  5. Step 5: Solve for x
    x = 33,409,005,442.42/281,493.43
  6. Step 6: Final answer
    x = 118,684.85

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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.