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Finding the Fourth Proportional to 296,872.80, 445,309.20 and 178,483.20

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Solution

The fourth proportional to 296,872.80, 445,309.20 and 178,483.20 is: 267,724.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,872.80 : 445,309.20 = 178,483.20 : x
  2. Step 2: Convert to fraction form
    296,872.80/445,309.20 = 178,483.20/x
  3. Step 3: Cross multiply
    296,872.80x = 445,309.20 × 178,483.20
  4. Step 4: Simplify right side
    296,872.80x = 79,480,211,005.44
  5. Step 5: Solve for x
    x = 79,480,211,005.44/296,872.80
  6. Step 6: Final answer
    x = 267,724.80

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