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Finding the Fourth Proportional to 303,774.80, 455,662.20 and 185,676.80

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Solution

The fourth proportional to 303,774.80, 455,662.20 and 185,676.80 is: 278,515.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,774.80 : 455,662.20 = 185,676.80 : x
  2. Step 2: Convert to fraction form
    303,774.80/455,662.20 = 185,676.80/x
  3. Step 3: Cross multiply
    303,774.80x = 455,662.20 × 185,676.80
  4. Step 4: Simplify right side
    303,774.80x = 84,605,899,176.96
  5. Step 5: Solve for x
    x = 84,605,899,176.96/303,774.80
  6. Step 6: Final answer
    x = 278,515.20

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