Home / 269,004.36-371,270.40-205,221.72

Finding the Fourth Proportional to 269,004.36, 371,270.40 and 205,221.72

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Solution

The fourth proportional to 269,004.36, 371,270.40 and 205,221.72 is: 283,239.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,004.36 : 371,270.40 = 205,221.72 : x
  2. Step 2: Convert to fraction form
    269,004.36/371,270.40 = 205,221.72/x
  3. Step 3: Cross multiply
    269,004.36x = 371,270.40 × 205,221.72
  4. Step 4: Simplify right side
    269,004.36x = 76,192,750,073.09
  5. Step 5: Solve for x
    x = 76,192,750,073.09/269,004.36
  6. Step 6: Final answer
    x = 283,239.83

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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.