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Finding the Fourth Proportional to 342,393.39, 472,654.22 and 204,620.94

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Solution

The fourth proportional to 342,393.39, 472,654.22 and 204,620.94 is: 282,467.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,393.39 : 472,654.22 = 204,620.94 : x
  2. Step 2: Convert to fraction form
    342,393.39/472,654.22 = 204,620.94/x
  3. Step 3: Cross multiply
    342,393.39x = 472,654.22 × 204,620.94
  4. Step 4: Simplify right side
    342,393.39x = 96,714,950,791.37
  5. Step 5: Solve for x
    x = 96,714,950,791.37/342,393.39
  6. Step 6: Final answer
    x = 282,467.34

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1.5x scale

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.