Home / 204,721.80-306,645.30-169,729.80

Finding the Fourth Proportional to 204,721.80, 306,645.30 and 169,729.80

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Solution

The fourth proportional to 204,721.80, 306,645.30 and 169,729.80 is: 254,232.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,721.80 : 306,645.30 = 169,729.80 : x
  2. Step 2: Convert to fraction form
    204,721.80/306,645.30 = 169,729.80/x
  3. Step 3: Cross multiply
    204,721.80x = 306,645.30 × 169,729.80
  4. Step 4: Simplify right side
    204,721.80x = 52,046,845,439.94
  5. Step 5: Solve for x
    x = 52,046,845,439.94/204,721.80
  6. Step 6: Final answer
    x = 254,232.06

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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.