Home / 205,003.20-306,921.60-181,675.20

Finding the Fourth Proportional to 205,003.20, 306,921.60 and 181,675.20

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Solution

The fourth proportional to 205,003.20, 306,921.60 and 181,675.20 is: 271,995.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,003.20 : 306,921.60 = 181,675.20 : x
  2. Step 2: Convert to fraction form
    205,003.20/306,921.60 = 181,675.20/x
  3. Step 3: Cross multiply
    205,003.20x = 306,921.60 × 181,675.20
  4. Step 4: Simplify right side
    205,003.20x = 55,760,043,064.32
  5. Step 5: Solve for x
    x = 55,760,043,064.32/205,003.20
  6. Step 6: Final answer
    x = 271,995.96

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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.