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Finding the Fourth Proportional to 240,765.62, 331,941.50 and 207,135.37

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Solution

The fourth proportional to 240,765.62, 331,941.50 and 207,135.37 is: 285,575.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,765.62 : 331,941.50 = 207,135.37 : x
  2. Step 2: Convert to fraction form
    240,765.62/331,941.50 = 207,135.37/x
  3. Step 3: Cross multiply
    240,765.62x = 331,941.50 × 207,135.37
  4. Step 4: Simplify right side
    240,765.62x = 68,756,825,420.86
  5. Step 5: Solve for x
    x = 68,756,825,420.86/240,765.62
  6. Step 6: Final answer
    x = 285,575.76

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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.