Home / 219,100.07-327,785.39-165,945.21

Finding the Fourth Proportional to 219,100.07, 327,785.39 and 165,945.21

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Solution

The fourth proportional to 219,100.07, 327,785.39 and 165,945.21 is: 248,262.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,100.07 : 327,785.39 = 165,945.21 : x
  2. Step 2: Convert to fraction form
    219,100.07/327,785.39 = 165,945.21/x
  3. Step 3: Cross multiply
    219,100.07x = 327,785.39 × 165,945.21
  4. Step 4: Simplify right side
    219,100.07x = 54,394,413,533.47
  5. Step 5: Solve for x
    x = 54,394,413,533.47/219,100.07
  6. Step 6: Final answer
    x = 248,262.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.