Home / 851,147.76-1,276,908.36-252,155.73

Finding the Fourth Proportional to 851,147.76, 1,276,908.36 and 252,155.73

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Solution

The fourth proportional to 851,147.76, 1,276,908.36 and 252,155.73 is: 378,288.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,147.76 : 1,276,908.36 = 252,155.73 : x
  2. Step 2: Convert to fraction form
    851,147.76/1,276,908.36 = 252,155.73/x
  3. Step 3: Cross multiply
    851,147.76x = 1,276,908.36 × 252,155.73
  4. Step 4: Simplify right side
    851,147.76x = 321,979,759,658.90
  5. Step 5: Solve for x
    x = 321,979,759,658.90/851,147.76
  6. Step 6: Final answer
    x = 378,288.91

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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.