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Finding the Fourth Proportional to 247,022.89, 340,892.82 and 133,845.64

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Solution

The fourth proportional to 247,022.89, 340,892.82 and 133,845.64 is: 184,707.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,022.89 : 340,892.82 = 133,845.64 : x
  2. Step 2: Convert to fraction form
    247,022.89/340,892.82 = 133,845.64/x
  3. Step 3: Cross multiply
    247,022.89x = 340,892.82 × 133,845.64
  4. Step 4: Simplify right side
    247,022.89x = 45,627,017,664.30
  5. Step 5: Solve for x
    x = 45,627,017,664.30/247,022.89
  6. Step 6: Final answer
    x = 184,707.65

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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.