Home / 321,900.28-444,083.70-194,502.12

Finding the Fourth Proportional to 321,900.28, 444,083.70 and 194,502.12

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Solution

The fourth proportional to 321,900.28, 444,083.70 and 194,502.12 is: 268,329.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,900.28 : 444,083.70 = 194,502.12 : x
  2. Step 2: Convert to fraction form
    321,900.28/444,083.70 = 194,502.12/x
  3. Step 3: Cross multiply
    321,900.28x = 444,083.70 × 194,502.12
  4. Step 4: Simplify right side
    321,900.28x = 86,375,221,107.44
  5. Step 5: Solve for x
    x = 86,375,221,107.44/321,900.28
  6. Step 6: Final answer
    x = 268,329.13

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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.