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Finding the Fourth Proportional to 352,792.92, 486,893.94 and 199,841.52

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Solution

The fourth proportional to 352,792.92, 486,893.94 and 199,841.52 is: 275,803.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,792.92 : 486,893.94 = 199,841.52 : x
  2. Step 2: Convert to fraction form
    352,792.92/486,893.94 = 199,841.52/x
  3. Step 3: Cross multiply
    352,792.92x = 486,893.94 × 199,841.52
  4. Step 4: Simplify right side
    352,792.92x = 97,301,625,048.39
  5. Step 5: Solve for x
    x = 97,301,625,048.39/352,792.92
  6. Step 6: Final answer
    x = 275,803.79

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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.