Home / 381,747.25-526,833.08-211,992.31

Finding the Fourth Proportional to 381,747.25, 526,833.08 and 211,992.31

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Solution

The fourth proportional to 381,747.25, 526,833.08 and 211,992.31 is: 292,561.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,747.25 : 526,833.08 = 211,992.31 : x
  2. Step 2: Convert to fraction form
    381,747.25/526,833.08 = 211,992.31/x
  3. Step 3: Cross multiply
    381,747.25x = 526,833.08 × 211,992.31
  4. Step 4: Simplify right side
    381,747.25x = 111,684,561,613.62
  5. Step 5: Solve for x
    x = 111,684,561,613.62/381,747.25
  6. Step 6: Final answer
    x = 292,561.54

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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.