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Finding the Fourth Proportional to 291,228.63, 401,741.37 and 200,426.95

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Solution

The fourth proportional to 291,228.63, 401,741.37 and 200,426.95 is: 276,483.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,228.63 : 401,741.37 = 200,426.95 : x
  2. Step 2: Convert to fraction form
    291,228.63/401,741.37 = 200,426.95/x
  3. Step 3: Cross multiply
    291,228.63x = 401,741.37 × 200,426.95
  4. Step 4: Simplify right side
    291,228.63x = 80,519,798,809.52
  5. Step 5: Solve for x
    x = 80,519,798,809.52/291,228.63
  6. Step 6: Final answer
    x = 276,483.12

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