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Finding the Fourth Proportional to 260,096.40, 390,047.40 and 180,975.60

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Solution

The fourth proportional to 260,096.40, 390,047.40 and 180,975.60 is: 271,395.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,096.40 : 390,047.40 = 180,975.60 : x
  2. Step 2: Convert to fraction form
    260,096.40/390,047.40 = 180,975.60/x
  3. Step 3: Cross multiply
    260,096.40x = 390,047.40 × 180,975.60
  4. Step 4: Simplify right side
    260,096.40x = 70,589,062,243.44
  5. Step 5: Solve for x
    x = 70,589,062,243.44/260,096.40
  6. Step 6: Final answer
    x = 271,395.77

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