Home / 851,081.41-1,276,808.94-252,089.45

Finding the Fourth Proportional to 851,081.41, 1,276,808.94 and 252,089.45

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Solution

The fourth proportional to 851,081.41, 1,276,808.94 and 252,089.45 is: 378,189.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,081.41 : 1,276,808.94 = 252,089.45 : x
  2. Step 2: Convert to fraction form
    851,081.41/1,276,808.94 = 252,089.45/x
  3. Step 3: Cross multiply
    851,081.41x = 1,276,808.94 × 252,089.45
  4. Step 4: Simplify right side
    851,081.41x = 321,870,061,843.67
  5. Step 5: Solve for x
    x = 321,870,061,843.67/851,081.41
  6. Step 6: Final answer
    x = 378,189.51

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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.