Home / 213,982.97-321,027.75-64,226.03

Finding the Fourth Proportional to 213,982.97, 321,027.75 and 64,226.03

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Solution

The fourth proportional to 213,982.97, 321,027.75 and 64,226.03 is: 96,355.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,982.97 : 321,027.75 = 64,226.03 : x
  2. Step 2: Convert to fraction form
    213,982.97/321,027.75 = 64,226.03/x
  3. Step 3: Cross multiply
    213,982.97x = 321,027.75 × 64,226.03
  4. Step 4: Simplify right side
    213,982.97x = 20,618,336,297.19
  5. Step 5: Solve for x
    x = 20,618,336,297.19/213,982.97
  6. Step 6: Final answer
    x = 96,355.04

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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.