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Finding the Fourth Proportional to 314,532.78, 434,039.79 and 178,548.54

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Solution

The fourth proportional to 314,532.78, 434,039.79 and 178,548.54 is: 246,388.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,532.78 : 434,039.79 = 178,548.54 : x
  2. Step 2: Convert to fraction form
    314,532.78/434,039.79 = 178,548.54/x
  3. Step 3: Cross multiply
    314,532.78x = 434,039.79 × 178,548.54
  4. Step 4: Simplify right side
    314,532.78x = 77,497,170,806.41
  5. Step 5: Solve for x
    x = 77,497,170,806.41/314,532.78
  6. Step 6: Final answer
    x = 246,388.22

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