Home / 431,961.27-647,958.24-165,748.65

Finding the Fourth Proportional to 431,961.27, 647,958.24 and 165,748.65

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Solution

The fourth proportional to 431,961.27, 647,958.24 and 165,748.65 is: 248,629.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,961.27 : 647,958.24 = 165,748.65 : x
  2. Step 2: Convert to fraction form
    431,961.27/647,958.24 = 165,748.65/x
  3. Step 3: Cross multiply
    431,961.27x = 647,958.24 × 165,748.65
  4. Step 4: Simplify right side
    431,961.27x = 107,398,203,536.38
  5. Step 5: Solve for x
    x = 107,398,203,536.38/431,961.27
  6. Step 6: Final answer
    x = 248,629.24

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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.