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Finding the Fourth Proportional to 314,853.20, 472,279.80 and 127,998.80

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Solution

The fourth proportional to 314,853.20, 472,279.80 and 127,998.80 is: 191,998.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,853.20 : 472,279.80 = 127,998.80 : x
  2. Step 2: Convert to fraction form
    314,853.20/472,279.80 = 127,998.80/x
  3. Step 3: Cross multiply
    314,853.20x = 472,279.80 × 127,998.80
  4. Step 4: Simplify right side
    314,853.20x = 60,451,247,664.24
  5. Step 5: Solve for x
    x = 60,451,247,664.24/314,853.20
  6. Step 6: Final answer
    x = 191,998.20

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