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Finding the Fourth Proportional to 451,414, 622,951.41 and 250,210

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Solution

The fourth proportional to 451,414, 622,951.41 and 250,210 is: 345,289.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,414 : 622,951.41 = 250,210 : x
  2. Step 2: Convert to fraction form
    451,414/622,951.41 = 250,210/x
  3. Step 3: Cross multiply
    451,414x = 622,951.41 × 250,210
  4. Step 4: Simplify right side
    451,414x = 155,868,672,296.10
  5. Step 5: Solve for x
    x = 155,868,672,296.10/451,414
  6. Step 6: Final answer
    x = 345,289.85

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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.