Home / 277,912.20-383,581.80-157,123.44

Finding the Fourth Proportional to 277,912.20, 383,581.80 and 157,123.44

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Solution

The fourth proportional to 277,912.20, 383,581.80 and 157,123.44 is: 216,865.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,912.20 : 383,581.80 = 157,123.44 : x
  2. Step 2: Convert to fraction form
    277,912.20/383,581.80 = 157,123.44/x
  3. Step 3: Cross multiply
    277,912.20x = 383,581.80 × 157,123.44
  4. Step 4: Simplify right side
    277,912.20x = 60,269,691,937.39
  5. Step 5: Solve for x
    x = 60,269,691,937.39/277,912.20
  6. Step 6: Final answer
    x = 216,865.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.