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Finding the Fourth Proportional to 450,876.70, 622,216.88 and 246,923.92

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Solution

The fourth proportional to 450,876.70, 622,216.88 and 246,923.92 is: 340,758.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,876.70 : 622,216.88 = 246,923.92 : x
  2. Step 2: Convert to fraction form
    450,876.70/622,216.88 = 246,923.92/x
  3. Step 3: Cross multiply
    450,876.70x = 622,216.88 × 246,923.92
  4. Step 4: Simplify right side
    450,876.70x = 153,640,229,471.66
  5. Step 5: Solve for x
    x = 153,640,229,471.66/450,876.70
  6. Step 6: Final answer
    x = 340,758.86

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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.