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Finding the Fourth Proportional to 303,492.20, 455,238.30 and 161,774.60

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Solution

The fourth proportional to 303,492.20, 455,238.30 and 161,774.60 is: 242,661.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,492.20 : 455,238.30 = 161,774.60 : x
  2. Step 2: Convert to fraction form
    303,492.20/455,238.30 = 161,774.60/x
  3. Step 3: Cross multiply
    303,492.20x = 455,238.30 × 161,774.60
  4. Step 4: Simplify right side
    303,492.20x = 73,645,993,887.18
  5. Step 5: Solve for x
    x = 73,645,993,887.18/303,492.20
  6. Step 6: Final answer
    x = 242,661.90

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