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Finding the Fourth Proportional to 280,323, 386,846.10 and 179,721

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Solution

The fourth proportional to 280,323, 386,846.10 and 179,721 is: 248,015.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,323 : 386,846.10 = 179,721 : x
  2. Step 2: Convert to fraction form
    280,323/386,846.10 = 179,721/x
  3. Step 3: Cross multiply
    280,323x = 386,846.10 × 179,721
  4. Step 4: Simplify right side
    280,323x = 69,524,367,938.10
  5. Step 5: Solve for x
    x = 69,524,367,938.10/280,323
  6. Step 6: Final answer
    x = 248,015.21

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