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Finding the Fourth Proportional to 300,152.73, 450,229.77 and 122,659.73

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Solution

The fourth proportional to 300,152.73, 450,229.77 and 122,659.73 is: 183,989.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,152.73 : 450,229.77 = 122,659.73 : x
  2. Step 2: Convert to fraction form
    300,152.73/450,229.77 = 122,659.73/x
  3. Step 3: Cross multiply
    300,152.73x = 450,229.77 × 122,659.73
  4. Step 4: Simplify right side
    300,152.73x = 55,225,059,775.01
  5. Step 5: Solve for x
    x = 55,225,059,775.01/300,152.73
  6. Step 6: Final answer
    x = 183,989.86

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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.