Home / 232,822.65-321,290.91-129,463.14

Finding the Fourth Proportional to 232,822.65, 321,290.91 and 129,463.14

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Solution

The fourth proportional to 232,822.65, 321,290.91 and 129,463.14 is: 178,656.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,822.65 : 321,290.91 = 129,463.14 : x
  2. Step 2: Convert to fraction form
    232,822.65/321,290.91 = 129,463.14/x
  3. Step 3: Cross multiply
    232,822.65x = 321,290.91 × 129,463.14
  4. Step 4: Simplify right side
    232,822.65x = 41,595,330,062.06
  5. Step 5: Solve for x
    x = 41,595,330,062.06/232,822.65
  6. Step 6: Final answer
    x = 178,656.72

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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.