Home / 366,020.88-505,081.20-222,765.09

Finding the Fourth Proportional to 366,020.88, 505,081.20 and 222,765.09

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Solution

The fourth proportional to 366,020.88, 505,081.20 and 222,765.09 is: 307,399.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,020.88 : 505,081.20 = 222,765.09 : x
  2. Step 2: Convert to fraction form
    366,020.88/505,081.20 = 222,765.09/x
  3. Step 3: Cross multiply
    366,020.88x = 505,081.20 × 222,765.09
  4. Step 4: Simplify right side
    366,020.88x = 112,514,458,975.31
  5. Step 5: Solve for x
    x = 112,514,458,975.31/366,020.88
  6. Step 6: Final answer
    x = 307,399.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.