Home / 279,704.68-386,002.38-158,842.60

Finding the Fourth Proportional to 279,704.68, 386,002.38 and 158,842.60

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Solution

The fourth proportional to 279,704.68, 386,002.38 and 158,842.60 is: 219,208.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,704.68 : 386,002.38 = 158,842.60 : x
  2. Step 2: Convert to fraction form
    279,704.68/386,002.38 = 158,842.60/x
  3. Step 3: Cross multiply
    279,704.68x = 386,002.38 × 158,842.60
  4. Step 4: Simplify right side
    279,704.68x = 61,313,621,645.39
  5. Step 5: Solve for x
    x = 61,313,621,645.39/279,704.68
  6. Step 6: Final answer
    x = 219,208.42

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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.