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Finding the Fourth Proportional to 417,163.20, 625,629.60 and 150,873.60

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Solution

The fourth proportional to 417,163.20, 625,629.60 and 150,873.60 is: 226,268.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,163.20 : 625,629.60 = 150,873.60 : x
  2. Step 2: Convert to fraction form
    417,163.20/625,629.60 = 150,873.60/x
  3. Step 3: Cross multiply
    417,163.20x = 625,629.60 × 150,873.60
  4. Step 4: Simplify right side
    417,163.20x = 94,390,990,018.56
  5. Step 5: Solve for x
    x = 94,390,990,018.56/417,163.20
  6. Step 6: Final answer
    x = 226,268.74

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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.