Home / 321,938.70-444,435.27-201,147.03

Finding the Fourth Proportional to 321,938.70, 444,435.27 and 201,147.03

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Solution

The fourth proportional to 321,938.70, 444,435.27 and 201,147.03 is: 277,682.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,938.70 : 444,435.27 = 201,147.03 : x
  2. Step 2: Convert to fraction form
    321,938.70/444,435.27 = 201,147.03/x
  3. Step 3: Cross multiply
    321,938.70x = 444,435.27 × 201,147.03
  4. Step 4: Simplify right side
    321,938.70x = 89,396,834,587.75
  5. Step 5: Solve for x
    x = 89,396,834,587.75/321,938.70
  6. Step 6: Final answer
    x = 277,682.78

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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.