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Finding the Fourth Proportional to 239,803.20, 360,239.40 and 200,437.20

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Solution

The fourth proportional to 239,803.20, 360,239.40 and 200,437.20 is: 301,102.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,803.20 : 360,239.40 = 200,437.20 : x
  2. Step 2: Convert to fraction form
    239,803.20/360,239.40 = 200,437.20/x
  3. Step 3: Cross multiply
    239,803.20x = 360,239.40 × 200,437.20
  4. Step 4: Simplify right side
    239,803.20x = 72,205,376,665.68
  5. Step 5: Solve for x
    x = 72,205,376,665.68/239,803.20
  6. Step 6: Final answer
    x = 301,102.64

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