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Finding the Fourth Proportional to 305,887.62, 422,192.37 and 169,968.27

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Solution

The fourth proportional to 305,887.62, 422,192.37 and 169,968.27 is: 234,593.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,887.62 : 422,192.37 = 169,968.27 : x
  2. Step 2: Convert to fraction form
    305,887.62/422,192.37 = 169,968.27/x
  3. Step 3: Cross multiply
    305,887.62x = 422,192.37 × 169,968.27
  4. Step 4: Simplify right side
    305,887.62x = 71,759,306,736.10
  5. Step 5: Solve for x
    x = 71,759,306,736.10/305,887.62
  6. Step 6: Final answer
    x = 234,593.69

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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.