Home / 213,981.46-321,003.48-64,233.58

Finding the Fourth Proportional to 213,981.46, 321,003.48 and 64,233.58

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Solution

The fourth proportional to 213,981.46, 321,003.48 and 64,233.58 is: 96,359.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,981.46 : 321,003.48 = 64,233.58 : x
  2. Step 2: Convert to fraction form
    213,981.46/321,003.48 = 64,233.58/x
  3. Step 3: Cross multiply
    213,981.46x = 321,003.48 × 64,233.58
  4. Step 4: Simplify right side
    213,981.46x = 20,619,202,712.86
  5. Step 5: Solve for x
    x = 20,619,202,712.86/213,981.46
  6. Step 6: Final answer
    x = 96,359.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.