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Finding the Fourth Proportional to 425,469.35, 638,279.87 and 141,176.96

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Solution

The fourth proportional to 425,469.35, 638,279.87 and 141,176.96 is: 211,790.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,469.35 : 638,279.87 = 141,176.96 : x
  2. Step 2: Convert to fraction form
    425,469.35/638,279.87 = 141,176.96/x
  3. Step 3: Cross multiply
    425,469.35x = 638,279.87 × 141,176.96
  4. Step 4: Simplify right side
    425,469.35x = 90,110,407,778.51
  5. Step 5: Solve for x
    x = 90,110,407,778.51/425,469.35
  6. Step 6: Final answer
    x = 211,790.60

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