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Finding the Fourth Proportional to 365,404.20, 548,106.30 and 207,940.20

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Solution

The fourth proportional to 365,404.20, 548,106.30 and 207,940.20 is: 311,910.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,404.20 : 548,106.30 = 207,940.20 : x
  2. Step 2: Convert to fraction form
    365,404.20/548,106.30 = 207,940.20/x
  3. Step 3: Cross multiply
    365,404.20x = 548,106.30 × 207,940.20
  4. Step 4: Simplify right side
    365,404.20x = 113,973,333,643.26
  5. Step 5: Solve for x
    x = 113,973,333,643.26/365,404.20
  6. Step 6: Final answer
    x = 311,910.30

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