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Finding the Fourth Proportional to 348,029.20, 522,043.80 and 208,061.20

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Solution

The fourth proportional to 348,029.20, 522,043.80 and 208,061.20 is: 312,091.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,029.20 : 522,043.80 = 208,061.20 : x
  2. Step 2: Convert to fraction form
    348,029.20/522,043.80 = 208,061.20/x
  3. Step 3: Cross multiply
    348,029.20x = 522,043.80 × 208,061.20
  4. Step 4: Simplify right side
    348,029.20x = 108,617,059,480.56
  5. Step 5: Solve for x
    x = 108,617,059,480.56/348,029.20
  6. Step 6: Final answer
    x = 312,091.80

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