Home / 321,795.20-444,163.52-200,863.68

Finding the Fourth Proportional to 321,795.20, 444,163.52 and 200,863.68

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Solution

The fourth proportional to 321,795.20, 444,163.52 and 200,863.68 is: 277,245.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,795.20 : 444,163.52 = 200,863.68 : x
  2. Step 2: Convert to fraction form
    321,795.20/444,163.52 = 200,863.68/x
  3. Step 3: Cross multiply
    321,795.20x = 444,163.52 × 200,863.68
  4. Step 4: Simplify right side
    321,795.20x = 89,216,319,148.95
  5. Step 5: Solve for x
    x = 89,216,319,148.95/321,795.20
  6. Step 6: Final answer
    x = 277,245.65

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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.