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Finding the Fourth Proportional to 347,656.96, 479,766.80 and 188,680.96

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Solution

The fourth proportional to 347,656.96, 479,766.80 and 188,680.96 is: 260,379.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,656.96 : 479,766.80 = 188,680.96 : x
  2. Step 2: Convert to fraction form
    347,656.96/479,766.80 = 188,680.96/x
  3. Step 3: Cross multiply
    347,656.96x = 479,766.80 × 188,680.96
  4. Step 4: Simplify right side
    347,656.96x = 90,522,860,400.13
  5. Step 5: Solve for x
    x = 90,522,860,400.13/347,656.96
  6. Step 6: Final answer
    x = 260,379.83

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