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Finding the Fourth Proportional to 414,481.68, 621,722.61 and 148,226.04

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Solution

The fourth proportional to 414,481.68, 621,722.61 and 148,226.04 is: 222,339.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,481.68 : 621,722.61 = 148,226.04 : x
  2. Step 2: Convert to fraction form
    414,481.68/621,722.61 = 148,226.04/x
  3. Step 3: Cross multiply
    414,481.68x = 621,722.61 × 148,226.04
  4. Step 4: Simplify right side
    414,481.68x = 92,155,480,458.76
  5. Step 5: Solve for x
    x = 92,155,480,458.76/414,481.68
  6. Step 6: Final answer
    x = 222,339.09

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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.