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Finding the Fourth Proportional to 447,405.16, 671,212.81 and 147,885.73

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Solution

The fourth proportional to 447,405.16, 671,212.81 and 147,885.73 is: 221,863.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,405.16 : 671,212.81 = 147,885.73 : x
  2. Step 2: Convert to fraction form
    447,405.16/671,212.81 = 147,885.73/x
  3. Step 3: Cross multiply
    447,405.16x = 671,212.81 × 147,885.73
  4. Step 4: Simplify right side
    447,405.16x = 99,262,796,392.20
  5. Step 5: Solve for x
    x = 99,262,796,392.20/447,405.16
  6. Step 6: Final answer
    x = 221,863.32

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