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Finding the Fourth Proportional to 381,790.17, 572,023.74 and 231,716.01

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Solution

The fourth proportional to 381,790.17, 572,023.74 and 231,716.01 is: 347,172.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,790.17 : 572,023.74 = 231,716.01 : x
  2. Step 2: Convert to fraction form
    381,790.17/572,023.74 = 231,716.01/x
  3. Step 3: Cross multiply
    381,790.17x = 572,023.74 × 231,716.01
  4. Step 4: Simplify right side
    381,790.17x = 132,547,058,658.08
  5. Step 5: Solve for x
    x = 132,547,058,658.08/381,790.17
  6. Step 6: Final answer
    x = 347,172.53

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