Home / 213,003.44-319,513.28-55,227.68

Finding the Fourth Proportional to 213,003.44, 319,513.28 and 55,227.68

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Solution

The fourth proportional to 213,003.44, 319,513.28 and 55,227.68 is: 82,843.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,003.44 : 319,513.28 = 55,227.68 : x
  2. Step 2: Convert to fraction form
    213,003.44/319,513.28 = 55,227.68/x
  3. Step 3: Cross multiply
    213,003.44x = 319,513.28 × 55,227.68
  4. Step 4: Simplify right side
    213,003.44x = 17,645,977,183.59
  5. Step 5: Solve for x
    x = 17,645,977,183.59/213,003.44
  6. Step 6: Final answer
    x = 82,843.63

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1.5x scale

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.