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Finding the Fourth Proportional to 300,516.30, 451,029.60 and 123,150.60

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Solution

The fourth proportional to 300,516.30, 451,029.60 and 123,150.60 is: 184,830.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,516.30 : 451,029.60 = 123,150.60 : x
  2. Step 2: Convert to fraction form
    300,516.30/451,029.60 = 123,150.60/x
  3. Step 3: Cross multiply
    300,516.30x = 451,029.60 × 123,150.60
  4. Step 4: Simplify right side
    300,516.30x = 55,544,565,857.76
  5. Step 5: Solve for x
    x = 55,544,565,857.76/300,516.30
  6. Step 6: Final answer
    x = 184,830.46

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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.