Home / 311,930.20-467,895.30-170,212.60

Finding the Fourth Proportional to 311,930.20, 467,895.30 and 170,212.60

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Solution

The fourth proportional to 311,930.20, 467,895.30 and 170,212.60 is: 255,318.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,930.20 : 467,895.30 = 170,212.60 : x
  2. Step 2: Convert to fraction form
    311,930.20/467,895.30 = 170,212.60/x
  3. Step 3: Cross multiply
    311,930.20x = 467,895.30 × 170,212.60
  4. Step 4: Simplify right side
    311,930.20x = 79,641,675,540.78
  5. Step 5: Solve for x
    x = 79,641,675,540.78/311,930.20
  6. Step 6: Final answer
    x = 255,318.90

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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.