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Finding the Fourth Proportional to 352,775.23, 486,900.66 and 209,507.59

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Solution

The fourth proportional to 352,775.23, 486,900.66 and 209,507.59 is: 289,162.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,775.23 : 486,900.66 = 209,507.59 : x
  2. Step 2: Convert to fraction form
    352,775.23/486,900.66 = 209,507.59/x
  3. Step 3: Cross multiply
    352,775.23x = 486,900.66 × 209,507.59
  4. Step 4: Simplify right side
    352,775.23x = 102,009,383,846.01
  5. Step 5: Solve for x
    x = 102,009,383,846.01/352,775.23
  6. Step 6: Final answer
    x = 289,162.55

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