Home / 825,121.20-1,237,682.64-226,087.20

Finding the Fourth Proportional to 825,121.20, 1,237,682.64 and 226,087.20

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Solution

The fourth proportional to 825,121.20, 1,237,682.64 and 226,087.20 is: 339,131.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,121.20 : 1,237,682.64 = 226,087.20 : x
  2. Step 2: Convert to fraction form
    825,121.20/1,237,682.64 = 226,087.20/x
  3. Step 3: Cross multiply
    825,121.20x = 1,237,682.64 × 226,087.20
  4. Step 4: Simplify right side
    825,121.20x = 279,824,202,566.21
  5. Step 5: Solve for x
    x = 279,824,202,566.21/825,121.20
  6. Step 6: Final answer
    x = 339,131.03

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Double scale
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Similar ratio
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1.5x scale

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.