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Finding the Fourth Proportional to 451,204.97, 622,662.95 and 269,924.45

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Solution

The fourth proportional to 451,204.97, 622,662.95 and 269,924.45 is: 372,495.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,204.97 : 622,662.95 = 269,924.45 : x
  2. Step 2: Convert to fraction form
    451,204.97/622,662.95 = 269,924.45/x
  3. Step 3: Cross multiply
    451,204.97x = 622,662.95 × 269,924.45
  4. Step 4: Simplify right side
    451,204.97x = 168,071,951,875.62
  5. Step 5: Solve for x
    x = 168,071,951,875.62/451,204.97
  6. Step 6: Final answer
    x = 372,495.79

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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.