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Finding the Fourth Proportional to 355,672.68, 490,821.36 and 194,527.20

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Solution

The fourth proportional to 355,672.68, 490,821.36 and 194,527.20 is: 268,443.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,672.68 : 490,821.36 = 194,527.20 : x
  2. Step 2: Convert to fraction form
    355,672.68/490,821.36 = 194,527.20/x
  3. Step 3: Cross multiply
    355,672.68x = 490,821.36 × 194,527.20
  4. Step 4: Simplify right side
    355,672.68x = 95,478,104,860.99
  5. Step 5: Solve for x
    x = 95,478,104,860.99/355,672.68
  6. Step 6: Final answer
    x = 268,443.74

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