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Finding the Fourth Proportional to 640,375.48, 960,563.21 and 241,105.82

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Solution

The fourth proportional to 640,375.48, 960,563.21 and 241,105.82 is: 361,658.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    640,375.48 : 960,563.21 = 241,105.82 : x
  2. Step 2: Convert to fraction form
    640,375.48/960,563.21 = 241,105.82/x
  3. Step 3: Cross multiply
    640,375.48x = 960,563.21 × 241,105.82
  4. Step 4: Simplify right side
    640,375.48x = 231,597,380,408.88
  5. Step 5: Solve for x
    x = 231,597,380,408.88/640,375.48
  6. Step 6: Final answer
    x = 361,658.73

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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.