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Finding the Fourth Proportional to 384,261.80, 576,479.10 and 118,034.60

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Solution

The fourth proportional to 384,261.80, 576,479.10 and 118,034.60 is: 177,078.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,261.80 : 576,479.10 = 118,034.60 : x
  2. Step 2: Convert to fraction form
    384,261.80/576,479.10 = 118,034.60/x
  3. Step 3: Cross multiply
    384,261.80x = 576,479.10 × 118,034.60
  4. Step 4: Simplify right side
    384,261.80x = 68,044,479,976.86
  5. Step 5: Solve for x
    x = 68,044,479,976.86/384,261.80
  6. Step 6: Final answer
    x = 177,078.44

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