Home / 215,742.80-323,614.20-192,933.20

Finding the Fourth Proportional to 215,742.80, 323,614.20 and 192,933.20

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Solution

The fourth proportional to 215,742.80, 323,614.20 and 192,933.20 is: 289,399.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,742.80 : 323,614.20 = 192,933.20 : x
  2. Step 2: Convert to fraction form
    215,742.80/323,614.20 = 192,933.20/x
  3. Step 3: Cross multiply
    215,742.80x = 323,614.20 × 192,933.20
  4. Step 4: Simplify right side
    215,742.80x = 62,435,923,171.44
  5. Step 5: Solve for x
    x = 62,435,923,171.44/215,742.80
  6. Step 6: Final answer
    x = 289,399.80

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1.5x scale

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.