Home / 272,672.75-408,819.33-120,787.35

Finding the Fourth Proportional to 272,672.75, 408,819.33 and 120,787.35

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Solution

The fourth proportional to 272,672.75, 408,819.33 and 120,787.35 is: 181,096.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,672.75 : 408,819.33 = 120,787.35 : x
  2. Step 2: Convert to fraction form
    272,672.75/408,819.33 = 120,787.35/x
  3. Step 3: Cross multiply
    272,672.75x = 408,819.33 × 120,787.35
  4. Step 4: Simplify right side
    272,672.75x = 49,380,203,499.48
  5. Step 5: Solve for x
    x = 49,380,203,499.48/272,672.75
  6. Step 6: Final answer
    x = 181,096.95

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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.