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Finding the Fourth Proportional to 401,058.35, 601,565.38 and 134,791.37

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Solution

The fourth proportional to 401,058.35, 601,565.38 and 134,791.37 is: 202,179.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,058.35 : 601,565.38 = 134,791.37 : x
  2. Step 2: Convert to fraction form
    401,058.35/601,565.38 = 134,791.37/x
  3. Step 3: Cross multiply
    401,058.35x = 601,565.38 × 134,791.37
  4. Step 4: Simplify right side
    401,058.35x = 81,085,821,714.77
  5. Step 5: Solve for x
    x = 81,085,821,714.77/401,058.35
  6. Step 6: Final answer
    x = 202,179.61

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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.