Home / 305,257.14-421,179.75-182,789.73

Finding the Fourth Proportional to 305,257.14, 421,179.75 and 182,789.73

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Solution

The fourth proportional to 305,257.14, 421,179.75 and 182,789.73 is: 252,204.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,257.14 : 421,179.75 = 182,789.73 : x
  2. Step 2: Convert to fraction form
    305,257.14/421,179.75 = 182,789.73/x
  3. Step 3: Cross multiply
    305,257.14x = 421,179.75 × 182,789.73
  4. Step 4: Simplify right side
    305,257.14x = 76,987,332,783.97
  5. Step 5: Solve for x
    x = 76,987,332,783.97/305,257.14
  6. Step 6: Final answer
    x = 252,204.86

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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.