Home / 342,092.36-472,067.10-189,121.39

Finding the Fourth Proportional to 342,092.36, 472,067.10 and 189,121.39

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Solution

The fourth proportional to 342,092.36, 472,067.10 and 189,121.39 is: 260,976.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,092.36 : 472,067.10 = 189,121.39 : x
  2. Step 2: Convert to fraction form
    342,092.36/472,067.10 = 189,121.39/x
  3. Step 3: Cross multiply
    342,092.36x = 472,067.10 × 189,121.39
  4. Step 4: Simplify right side
    342,092.36x = 89,277,984,945.10
  5. Step 5: Solve for x
    x = 89,277,984,945.10/342,092.36
  6. Step 6: Final answer
    x = 260,976.26

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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.