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Finding the Fourth Proportional to 374,736.17, 516,990.70 and 238,745.78

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Solution

The fourth proportional to 374,736.17, 516,990.70 and 238,745.78 is: 329,376.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,736.17 : 516,990.70 = 238,745.78 : x
  2. Step 2: Convert to fraction form
    374,736.17/516,990.70 = 238,745.78/x
  3. Step 3: Cross multiply
    374,736.17x = 516,990.70 × 238,745.78
  4. Step 4: Simplify right side
    374,736.17x = 123,429,347,576.44
  5. Step 5: Solve for x
    x = 123,429,347,576.44/374,736.17
  6. Step 6: Final answer
    x = 329,376.66

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