Home / 352,180.27-485,469.52-215,961.63

Finding the Fourth Proportional to 352,180.27, 485,469.52 and 215,961.63

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Solution

The fourth proportional to 352,180.27, 485,469.52 and 215,961.63 is: 297,696.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,180.27 : 485,469.52 = 215,961.63 : x
  2. Step 2: Convert to fraction form
    352,180.27/485,469.52 = 215,961.63/x
  3. Step 3: Cross multiply
    352,180.27x = 485,469.52 × 215,961.63
  4. Step 4: Simplify right side
    352,180.27x = 104,842,786,494.10
  5. Step 5: Solve for x
    x = 104,842,786,494.10/352,180.27
  6. Step 6: Final answer
    x = 297,696.36

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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.