Home / 204,965.20-306,864.60-181,637.20

Finding the Fourth Proportional to 204,965.20, 306,864.60 and 181,637.20

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Solution

The fourth proportional to 204,965.20, 306,864.60 and 181,637.20 is: 271,938.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,965.20 : 306,864.60 = 181,637.20 : x
  2. Step 2: Convert to fraction form
    204,965.20/306,864.60 = 181,637.20/x
  3. Step 3: Cross multiply
    204,965.20x = 306,864.60 × 181,637.20
  4. Step 4: Simplify right side
    204,965.20x = 55,738,026,723.12
  5. Step 5: Solve for x
    x = 55,738,026,723.12/204,965.20
  6. Step 6: Final answer
    x = 271,938.98

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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.