Home / 321,966.42-444,359.86-192,910.02

Finding the Fourth Proportional to 321,966.42, 444,359.86 and 192,910.02

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Solution

The fourth proportional to 321,966.42, 444,359.86 and 192,910.02 is: 266,243.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,966.42 : 444,359.86 = 192,910.02 : x
  2. Step 2: Convert to fraction form
    321,966.42/444,359.86 = 192,910.02/x
  3. Step 3: Cross multiply
    321,966.42x = 444,359.86 × 192,910.02
  4. Step 4: Simplify right side
    321,966.42x = 85,721,469,479.80
  5. Step 5: Solve for x
    x = 85,721,469,479.80/321,966.42
  6. Step 6: Final answer
    x = 266,243.51

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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.