Home / 311,828.22-467,735.85-124,789.50

Finding the Fourth Proportional to 311,828.22, 467,735.85 and 124,789.50

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Solution

The fourth proportional to 311,828.22, 467,735.85 and 124,789.50 is: 187,181.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,828.22 : 467,735.85 = 124,789.50 : x
  2. Step 2: Convert to fraction form
    311,828.22/467,735.85 = 124,789.50/x
  3. Step 3: Cross multiply
    311,828.22x = 467,735.85 × 124,789.50
  4. Step 4: Simplify right side
    311,828.22x = 58,368,522,853.58
  5. Step 5: Solve for x
    x = 58,368,522,853.58/311,828.22
  6. Step 6: Final answer
    x = 187,181.66

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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.