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Finding the Fourth Proportional to 229,999.64, 344,890.31 and 80,221.73

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Solution

The fourth proportional to 229,999.64, 344,890.31 and 80,221.73 is: 120,294.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,999.64 : 344,890.31 = 80,221.73 : x
  2. Step 2: Convert to fraction form
    229,999.64/344,890.31 = 80,221.73/x
  3. Step 3: Cross multiply
    229,999.64x = 344,890.31 × 80,221.73
  4. Step 4: Simplify right side
    229,999.64x = 27,667,695,202.88
  5. Step 5: Solve for x
    x = 27,667,695,202.88/229,999.64
  6. Step 6: Final answer
    x = 120,294.52

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1.5x scale

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.