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Finding the Fourth Proportional to 369,084.60, 509,336.76 and 199,318.72

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Solution

The fourth proportional to 369,084.60, 509,336.76 and 199,318.72 is: 275,059.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,084.60 : 509,336.76 = 199,318.72 : x
  2. Step 2: Convert to fraction form
    369,084.60/509,336.76 = 199,318.72/x
  3. Step 3: Cross multiply
    369,084.60x = 509,336.76 × 199,318.72
  4. Step 4: Simplify right side
    369,084.60x = 101,520,351,052.15
  5. Step 5: Solve for x
    x = 101,520,351,052.15/369,084.60
  6. Step 6: Final answer
    x = 275,059.84

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