Home / 269,200-371,150.96-220,623.10

Finding the Fourth Proportional to 269,200, 371,150.96 and 220,623.10

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Solution

The fourth proportional to 269,200, 371,150.96 and 220,623.10 is: 304,177.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,200 : 371,150.96 = 220,623.10 : x
  2. Step 2: Convert to fraction form
    269,200/371,150.96 = 220,623.10/x
  3. Step 3: Cross multiply
    269,200x = 371,150.96 × 220,623.10
  4. Step 4: Simplify right side
    269,200x = 81,884,475,363.18
  5. Step 5: Solve for x
    x = 81,884,475,363.18/269,200
  6. Step 6: Final answer
    x = 304,177.10

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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.