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Finding the Fourth Proportional to 300,800.31, 451,201.07 and 123,275.44

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Solution

The fourth proportional to 300,800.31, 451,201.07 and 123,275.44 is: 184,913.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,800.31 : 451,201.07 = 123,275.44 : x
  2. Step 2: Convert to fraction form
    300,800.31/451,201.07 = 123,275.44/x
  3. Step 3: Cross multiply
    300,800.31x = 451,201.07 × 123,275.44
  4. Step 4: Simplify right side
    300,800.31x = 55,622,010,432.72
  5. Step 5: Solve for x
    x = 55,622,010,432.72/300,800.31
  6. Step 6: Final answer
    x = 184,913.41

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1.5x scale

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.