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Finding the Fourth Proportional to 291,268.02, 436,342.26 and 178,619.76

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Solution

The fourth proportional to 291,268.02, 436,342.26 and 178,619.76 is: 267,586.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,268.02 : 436,342.26 = 178,619.76 : x
  2. Step 2: Convert to fraction form
    291,268.02/436,342.26 = 178,619.76/x
  3. Step 3: Cross multiply
    291,268.02x = 436,342.26 × 178,619.76
  4. Step 4: Simplify right side
    291,268.02x = 77,939,349,759.06
  5. Step 5: Solve for x
    x = 77,939,349,759.06/291,268.02
  6. Step 6: Final answer
    x = 267,586.36

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