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Finding the Fourth Proportional to 373,906.20, 560,859.30 and 332,571.90

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Solution

The fourth proportional to 373,906.20, 560,859.30 and 332,571.90 is: 498,857.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,906.20 : 560,859.30 = 332,571.90 : x
  2. Step 2: Convert to fraction form
    373,906.20/560,859.30 = 332,571.90/x
  3. Step 3: Cross multiply
    373,906.20x = 560,859.30 × 332,571.90
  4. Step 4: Simplify right side
    373,906.20x = 186,526,043,033.67
  5. Step 5: Solve for x
    x = 186,526,043,033.67/373,906.20
  6. Step 6: Final answer
    x = 498,857.85

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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.