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Finding the Fourth Proportional to 329,115.20, 493,672.80 and 293,172.80

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Solution

The fourth proportional to 329,115.20, 493,672.80 and 293,172.80 is: 439,759.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,115.20 : 493,672.80 = 293,172.80 : x
  2. Step 2: Convert to fraction form
    329,115.20/493,672.80 = 293,172.80/x
  3. Step 3: Cross multiply
    329,115.20x = 493,672.80 × 293,172.80
  4. Step 4: Simplify right side
    329,115.20x = 144,731,437,059.84
  5. Step 5: Solve for x
    x = 144,731,437,059.84/329,115.20
  6. Step 6: Final answer
    x = 439,759.20

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