Home / 269,236.40-371,573.88-161,841.20

Finding the Fourth Proportional to 269,236.40, 371,573.88 and 161,841.20

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Solution

The fourth proportional to 269,236.40, 371,573.88 and 161,841.20 is: 223,357.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,236.40 : 371,573.88 = 161,841.20 : x
  2. Step 2: Convert to fraction form
    269,236.40/371,573.88 = 161,841.20/x
  3. Step 3: Cross multiply
    269,236.40x = 371,573.88 × 161,841.20
  4. Step 4: Simplify right side
    269,236.40x = 60,135,962,627.86
  5. Step 5: Solve for x
    x = 60,135,962,627.86/269,236.40
  6. Step 6: Final answer
    x = 223,357.48

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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.