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Finding the Fourth Proportional to 300,906.80, 450,694.62 and 122,873.96

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Solution

The fourth proportional to 300,906.80, 450,694.62 and 122,873.96 is: 184,039.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,906.80 : 450,694.62 = 122,873.96 : x
  2. Step 2: Convert to fraction form
    300,906.80/450,694.62 = 122,873.96/x
  3. Step 3: Cross multiply
    300,906.80x = 450,694.62 × 122,873.96
  4. Step 4: Simplify right side
    300,906.80x = 55,378,632,710.10
  5. Step 5: Solve for x
    x = 55,378,632,710.10/300,906.80
  6. Step 6: Final answer
    x = 184,039.15

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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.