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Finding the Fourth Proportional to 301,099.80, 451,131.30 and 254,443.80

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Solution

The fourth proportional to 301,099.80, 451,131.30 and 254,443.80 is: 381,227.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,099.80 : 451,131.30 = 254,443.80 : x
  2. Step 2: Convert to fraction form
    301,099.80/451,131.30 = 254,443.80/x
  3. Step 3: Cross multiply
    301,099.80x = 451,131.30 × 254,443.80
  4. Step 4: Simplify right side
    301,099.80x = 114,787,562,270.94
  5. Step 5: Solve for x
    x = 114,787,562,270.94/301,099.80
  6. Step 6: Final answer
    x = 381,227.63

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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.