Home / 322,961.48-445,680.24-202,169.37

Finding the Fourth Proportional to 322,961.48, 445,680.24 and 202,169.37

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Solution

The fourth proportional to 322,961.48, 445,680.24 and 202,169.37 is: 278,989.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,961.48 : 445,680.24 = 202,169.37 : x
  2. Step 2: Convert to fraction form
    322,961.48/445,680.24 = 202,169.37/x
  3. Step 3: Cross multiply
    322,961.48x = 445,680.24 × 202,169.37
  4. Step 4: Simplify right side
    322,961.48x = 90,102,893,342.25
  5. Step 5: Solve for x
    x = 90,102,893,342.25/322,961.48
  6. Step 6: Final answer
    x = 278,989.60

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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.