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Finding the Fourth Proportional to 352,004.02, 485,735.52 and 199,034.72

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Solution

The fourth proportional to 352,004.02, 485,735.52 and 199,034.72 is: 274,650.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,004.02 : 485,735.52 = 199,034.72 : x
  2. Step 2: Convert to fraction form
    352,004.02/485,735.52 = 199,034.72/x
  3. Step 3: Cross multiply
    352,004.02x = 485,735.52 × 199,034.72
  4. Step 4: Simplify right side
    352,004.02x = 96,678,233,217.25
  5. Step 5: Solve for x
    x = 96,678,233,217.25/352,004.02
  6. Step 6: Final answer
    x = 274,650.94

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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.