Home / 279,845.51-386,249.18-177,851.12

Finding the Fourth Proportional to 279,845.51, 386,249.18 and 177,851.12

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Solution

The fourth proportional to 279,845.51, 386,249.18 and 177,851.12 is: 245,474.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,845.51 : 386,249.18 = 177,851.12 : x
  2. Step 2: Convert to fraction form
    279,845.51/386,249.18 = 177,851.12/x
  3. Step 3: Cross multiply
    279,845.51x = 386,249.18 × 177,851.12
  4. Step 4: Simplify right side
    279,845.51x = 68,694,846,441.58
  5. Step 5: Solve for x
    x = 68,694,846,441.58/279,845.51
  6. Step 6: Final answer
    x = 245,474.18

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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.