Home / 800,161.42-1,199,992.45-267,558.12

Finding the Fourth Proportional to 800,161.42, 1,199,992.45 and 267,558.12

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Solution

The fourth proportional to 800,161.42, 1,199,992.45 and 267,558.12 is: 401,253.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,161.42 : 1,199,992.45 = 267,558.12 : x
  2. Step 2: Convert to fraction form
    800,161.42/1,199,992.45 = 267,558.12/x
  3. Step 3: Cross multiply
    800,161.42x = 1,199,992.45 × 267,558.12
  4. Step 4: Simplify right side
    800,161.42x = 321,067,723,936.19
  5. Step 5: Solve for x
    x = 321,067,723,936.19/800,161.42
  6. Step 6: Final answer
    x = 401,253.69

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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.