Home / 231,832.82-321,566.01-225,687.35

Finding the Fourth Proportional to 231,832.82, 321,566.01 and 225,687.35

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Solution

The fourth proportional to 231,832.82, 321,566.01 and 225,687.35 is: 313,041.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,832.82 : 321,566.01 = 225,687.35 : x
  2. Step 2: Convert to fraction form
    231,832.82/321,566.01 = 225,687.35/x
  3. Step 3: Cross multiply
    231,832.82x = 321,566.01 × 225,687.35
  4. Step 4: Simplify right side
    231,832.82x = 72,573,379,039.14
  5. Step 5: Solve for x
    x = 72,573,379,039.14/231,832.82
  6. Step 6: Final answer
    x = 313,041.87

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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.