Home / 352,129.05-485,949.09-199,164.25

Finding the Fourth Proportional to 352,129.05, 485,949.09 and 199,164.25

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Solution

The fourth proportional to 352,129.05, 485,949.09 and 199,164.25 is: 274,852.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,129.05 : 485,949.09 = 199,164.25 : x
  2. Step 2: Convert to fraction form
    352,129.05/485,949.09 = 199,164.25/x
  3. Step 3: Cross multiply
    352,129.05x = 485,949.09 × 199,164.25
  4. Step 4: Simplify right side
    352,129.05x = 96,783,682,622.47
  5. Step 5: Solve for x
    x = 96,783,682,622.47/352,129.05
  6. Step 6: Final answer
    x = 274,852.88

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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.