Home / 321,637.13-443,568.65-200,789.58

Finding the Fourth Proportional to 321,637.13, 443,568.65 and 200,789.58

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Solution

The fourth proportional to 321,637.13, 443,568.65 and 200,789.58 is: 276,908.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,637.13 : 443,568.65 = 200,789.58 : x
  2. Step 2: Convert to fraction form
    321,637.13/443,568.65 = 200,789.58/x
  3. Step 3: Cross multiply
    321,637.13x = 443,568.65 × 200,789.58
  4. Step 4: Simplify right side
    321,637.13x = 89,063,961,930.72
  5. Step 5: Solve for x
    x = 89,063,961,930.72/321,637.13
  6. Step 6: Final answer
    x = 276,908.21

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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.