Home / 231,854.91-321,596.72-225,709.44

Finding the Fourth Proportional to 231,854.91, 321,596.72 and 225,709.44

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Solution

The fourth proportional to 231,854.91, 321,596.72 and 225,709.44 is: 313,072.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,854.91 : 321,596.72 = 225,709.44 : x
  2. Step 2: Convert to fraction form
    231,854.91/321,596.72 = 225,709.44/x
  3. Step 3: Cross multiply
    231,854.91x = 321,596.72 × 225,709.44
  4. Step 4: Simplify right side
    231,854.91x = 72,587,414,892.90
  5. Step 5: Solve for x
    x = 72,587,414,892.90/231,854.91
  6. Step 6: Final answer
    x = 313,072.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.