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Finding the Fourth Proportional to 324,737.56, 447,846.69 and 270,469.90

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Solution

The fourth proportional to 324,737.56, 447,846.69 and 270,469.90 is: 373,005.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,737.56 : 447,846.69 = 270,469.90 : x
  2. Step 2: Convert to fraction form
    324,737.56/447,846.69 = 270,469.90/x
  3. Step 3: Cross multiply
    324,737.56x = 447,846.69 × 270,469.90
  4. Step 4: Simplify right side
    324,737.56x = 121,129,049,459.63
  5. Step 5: Solve for x
    x = 121,129,049,459.63/324,737.56
  6. Step 6: Final answer
    x = 373,005.97

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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.