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Finding the Fourth Proportional to 357,278.81, 535,221.60 and 199,030.73

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Solution

The fourth proportional to 357,278.81, 535,221.60 and 199,030.73 is: 298,158.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,278.81 : 535,221.60 = 199,030.73 : x
  2. Step 2: Convert to fraction form
    357,278.81/535,221.60 = 199,030.73/x
  3. Step 3: Cross multiply
    357,278.81x = 535,221.60 × 199,030.73
  4. Step 4: Simplify right side
    357,278.81x = 106,525,545,759.77
  5. Step 5: Solve for x
    x = 106,525,545,759.77/357,278.81
  6. Step 6: Final answer
    x = 298,158.03

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