Home / 270,999.27-406,352.30-215,198.37

Finding the Fourth Proportional to 270,999.27, 406,352.30 and 215,198.37

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Solution

The fourth proportional to 270,999.27, 406,352.30 and 215,198.37 is: 322,681.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,999.27 : 406,352.30 = 215,198.37 : x
  2. Step 2: Convert to fraction form
    270,999.27/406,352.30 = 215,198.37/x
  3. Step 3: Cross multiply
    270,999.27x = 406,352.30 × 215,198.37
  4. Step 4: Simplify right side
    270,999.27x = 87,446,351,529.76
  5. Step 5: Solve for x
    x = 87,446,351,529.76/270,999.27
  6. Step 6: Final answer
    x = 322,681.13

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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.