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Finding the Fourth Proportional to 300,212.56, 450,152.44 and 122,843.92

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Solution

The fourth proportional to 300,212.56, 450,152.44 and 122,843.92 is: 184,197.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,212.56 : 450,152.44 = 122,843.92 : x
  2. Step 2: Convert to fraction form
    300,212.56/450,152.44 = 122,843.92/x
  3. Step 3: Cross multiply
    300,212.56x = 450,152.44 × 122,843.92
  4. Step 4: Simplify right side
    300,212.56x = 55,298,490,327.16
  5. Step 5: Solve for x
    x = 55,298,490,327.16/300,212.56
  6. Step 6: Final answer
    x = 184,197.79

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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.