Home / 217,542.30-300,514.23-167,879.58

Finding the Fourth Proportional to 217,542.30, 300,514.23 and 167,879.58

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Solution

The fourth proportional to 217,542.30, 300,514.23 and 167,879.58 is: 231,909.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,542.30 : 300,514.23 = 167,879.58 : x
  2. Step 2: Convert to fraction form
    217,542.30/300,514.23 = 167,879.58/x
  3. Step 3: Cross multiply
    217,542.30x = 300,514.23 × 167,879.58
  4. Step 4: Simplify right side
    217,542.30x = 50,450,202,716.42
  5. Step 5: Solve for x
    x = 50,450,202,716.42/217,542.30
  6. Step 6: Final answer
    x = 231,909.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.