Home / 232,821.30-321,320.04-129,465.83

Finding the Fourth Proportional to 232,821.30, 321,320.04 and 129,465.83

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Solution

The fourth proportional to 232,821.30, 321,320.04 and 129,465.83 is: 178,677.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,821.30 : 321,320.04 = 129,465.83 : x
  2. Step 2: Convert to fraction form
    232,821.30/321,320.04 = 129,465.83/x
  3. Step 3: Cross multiply
    232,821.30x = 321,320.04 × 129,465.83
  4. Step 4: Simplify right side
    232,821.30x = 41,599,964,067.63
  5. Step 5: Solve for x
    x = 41,599,964,067.63/232,821.30
  6. Step 6: Final answer
    x = 178,677.66

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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.