Home / 465,194.16-642,067.92-283,867.20

Finding the Fourth Proportional to 465,194.16, 642,067.92 and 283,867.20

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Solution

The fourth proportional to 465,194.16, 642,067.92 and 283,867.20 is: 391,797.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,194.16 : 642,067.92 = 283,867.20 : x
  2. Step 2: Convert to fraction form
    465,194.16/642,067.92 = 283,867.20/x
  3. Step 3: Cross multiply
    465,194.16x = 642,067.92 × 283,867.20
  4. Step 4: Simplify right side
    465,194.16x = 182,262,022,660.22
  5. Step 5: Solve for x
    x = 182,262,022,660.22/465,194.16
  6. Step 6: Final answer
    x = 391,797.74

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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.