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Finding the Fourth Proportional to 451,442.64, 622,997.82 and 247,513.08

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Solution

The fourth proportional to 451,442.64, 622,997.82 and 247,513.08 is: 341,571.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,442.64 : 622,997.82 = 247,513.08 : x
  2. Step 2: Convert to fraction form
    451,442.64/622,997.82 = 247,513.08/x
  3. Step 3: Cross multiply
    451,442.64x = 622,997.82 × 247,513.08
  4. Step 4: Simplify right side
    451,442.64x = 154,200,109,261.49
  5. Step 5: Solve for x
    x = 154,200,109,261.49/451,442.64
  6. Step 6: Final answer
    x = 341,571.88

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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.