Home / 311,839.56-467,643.24-112,105.44

Finding the Fourth Proportional to 311,839.56, 467,643.24 and 112,105.44

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Solution

The fourth proportional to 311,839.56, 467,643.24 and 112,105.44 is: 168,116.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,839.56 : 467,643.24 = 112,105.44 : x
  2. Step 2: Convert to fraction form
    311,839.56/467,643.24 = 112,105.44/x
  3. Step 3: Cross multiply
    311,839.56x = 467,643.24 × 112,105.44
  4. Step 4: Simplify right side
    311,839.56x = 52,425,351,183.23
  5. Step 5: Solve for x
    x = 52,425,351,183.23/311,839.56
  6. Step 6: Final answer
    x = 168,116.42

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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.