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Finding the Fourth Proportional to 308,354.39, 425,600.16 and 200,736.98

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Solution

The fourth proportional to 308,354.39, 425,600.16 and 200,736.98 is: 277,063.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,354.39 : 425,600.16 = 200,736.98 : x
  2. Step 2: Convert to fraction form
    308,354.39/425,600.16 = 200,736.98/x
  3. Step 3: Cross multiply
    308,354.39x = 425,600.16 × 200,736.98
  4. Step 4: Simplify right side
    308,354.39x = 85,433,690,805.92
  5. Step 5: Solve for x
    x = 85,433,690,805.92/308,354.39
  6. Step 6: Final answer
    x = 277,063.32

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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.