Home / 221,462.30-331,318.65-192,205.10

Finding the Fourth Proportional to 221,462.30, 331,318.65 and 192,205.10

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Solution

The fourth proportional to 221,462.30, 331,318.65 and 192,205.10 is: 287,548.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,462.30 : 331,318.65 = 192,205.10 : x
  2. Step 2: Convert to fraction form
    221,462.30/331,318.65 = 192,205.10/x
  3. Step 3: Cross multiply
    221,462.30x = 331,318.65 × 192,205.10
  4. Step 4: Simplify right side
    221,462.30x = 63,681,134,255.12
  5. Step 5: Solve for x
    x = 63,681,134,255.12/221,462.30
  6. Step 6: Final answer
    x = 287,548.42

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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.