Home / 851,146.41-1,276,906.38-252,154.43

Finding the Fourth Proportional to 851,146.41, 1,276,906.38 and 252,154.43

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Solution

The fourth proportional to 851,146.41, 1,276,906.38 and 252,154.43 is: 378,286.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,146.41 : 1,276,906.38 = 252,154.43 : x
  2. Step 2: Convert to fraction form
    851,146.41/1,276,906.38 = 252,154.43/x
  3. Step 3: Cross multiply
    851,146.41x = 1,276,906.38 × 252,154.43
  4. Step 4: Simplify right side
    851,146.41x = 321,977,594,027.73
  5. Step 5: Solve for x
    x = 321,977,594,027.73/851,146.41
  6. Step 6: Final answer
    x = 378,286.97

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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.