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Finding the Fourth Proportional to 300,235.98, 451,434.24 and 276,829.87

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Solution

The fourth proportional to 300,235.98, 451,434.24 and 276,829.87 is: 416,240.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,235.98 : 451,434.24 = 276,829.87 : x
  2. Step 2: Convert to fraction form
    300,235.98/451,434.24 = 276,829.87/x
  3. Step 3: Cross multiply
    300,235.98x = 451,434.24 × 276,829.87
  4. Step 4: Simplify right side
    300,235.98x = 124,970,481,972.75
  5. Step 5: Solve for x
    x = 124,970,481,972.75/300,235.98
  6. Step 6: Final answer
    x = 416,240.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.