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Finding the Fourth Proportional to 447,530.76, 671,198.76 and 147,940.56

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Solution

The fourth proportional to 447,530.76, 671,198.76 and 147,940.56 is: 221,878.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,530.76 : 671,198.76 = 147,940.56 : x
  2. Step 2: Convert to fraction form
    447,530.76/671,198.76 = 147,940.56/x
  3. Step 3: Cross multiply
    447,530.76x = 671,198.76 × 147,940.56
  4. Step 4: Simplify right side
    447,530.76x = 99,297,520,425.71
  5. Step 5: Solve for x
    x = 99,297,520,425.71/447,530.76
  6. Step 6: Final answer
    x = 221,878.65

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