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Finding the Fourth Proportional to 361,816.80, 542,725.20 and 151,432.80

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Solution

The fourth proportional to 361,816.80, 542,725.20 and 151,432.80 is: 227,149.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,816.80 : 542,725.20 = 151,432.80 : x
  2. Step 2: Convert to fraction form
    361,816.80/542,725.20 = 151,432.80/x
  3. Step 3: Cross multiply
    361,816.80x = 542,725.20 × 151,432.80
  4. Step 4: Simplify right side
    361,816.80x = 82,186,396,666.56
  5. Step 5: Solve for x
    x = 82,186,396,666.56/361,816.80
  6. Step 6: Final answer
    x = 227,149.20

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