Home / 221,440.30-331,285.65-192,183.10

Finding the Fourth Proportional to 221,440.30, 331,285.65 and 192,183.10

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Solution

The fourth proportional to 221,440.30, 331,285.65 and 192,183.10 is: 287,515.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,440.30 : 331,285.65 = 192,183.10 : x
  2. Step 2: Convert to fraction form
    221,440.30/331,285.65 = 192,183.10/x
  3. Step 3: Cross multiply
    221,440.30x = 331,285.65 × 192,183.10
  4. Step 4: Simplify right side
    221,440.30x = 63,667,503,202.52
  5. Step 5: Solve for x
    x = 63,667,503,202.52/221,440.30
  6. Step 6: Final answer
    x = 287,515.43

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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.