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Finding the Fourth Proportional to 203,916.80, 305,875.20 and 174,392.30

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Solution

The fourth proportional to 203,916.80, 305,875.20 and 174,392.30 is: 261,588.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,916.80 : 305,875.20 = 174,392.30 : x
  2. Step 2: Convert to fraction form
    203,916.80/305,875.20 = 174,392.30/x
  3. Step 3: Cross multiply
    203,916.80x = 305,875.20 × 174,392.30
  4. Step 4: Simplify right side
    203,916.80x = 53,342,279,640.96
  5. Step 5: Solve for x
    x = 53,342,279,640.96/203,916.80
  6. Step 6: Final answer
    x = 261,588.45

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