Home / 851,151.76-1,276,914.36-252,159.73

Finding the Fourth Proportional to 851,151.76, 1,276,914.36 and 252,159.73

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Solution

The fourth proportional to 851,151.76, 1,276,914.36 and 252,159.73 is: 378,294.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,151.76 : 1,276,914.36 = 252,159.73 : x
  2. Step 2: Convert to fraction form
    851,151.76/1,276,914.36 = 252,159.73/x
  3. Step 3: Cross multiply
    851,151.76x = 1,276,914.36 × 252,159.73
  4. Step 4: Simplify right side
    851,151.76x = 321,986,380,250.72
  5. Step 5: Solve for x
    x = 321,986,380,250.72/851,151.76
  6. Step 6: Final answer
    x = 378,294.91

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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.