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Finding the Fourth Proportional to 291,888.60, 437,832.90 and 186,912.60

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Solution

The fourth proportional to 291,888.60, 437,832.90 and 186,912.60 is: 280,368.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,888.60 : 437,832.90 = 186,912.60 : x
  2. Step 2: Convert to fraction form
    291,888.60/437,832.90 = 186,912.60/x
  3. Step 3: Cross multiply
    291,888.60x = 437,832.90 × 186,912.60
  4. Step 4: Simplify right side
    291,888.60x = 81,836,485,704.54
  5. Step 5: Solve for x
    x = 81,836,485,704.54/291,888.60
  6. Step 6: Final answer
    x = 280,368.90

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