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Finding the Fourth Proportional to 303,439.80, 455,181.30 and 93,077.40

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Solution

The fourth proportional to 303,439.80, 455,181.30 and 93,077.40 is: 139,622.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,439.80 : 455,181.30 = 93,077.40 : x
  2. Step 2: Convert to fraction form
    303,439.80/455,181.30 = 93,077.40/x
  3. Step 3: Cross multiply
    303,439.80x = 455,181.30 × 93,077.40
  4. Step 4: Simplify right side
    303,439.80x = 42,367,091,932.62
  5. Step 5: Solve for x
    x = 42,367,091,932.62/303,439.80
  6. Step 6: Final answer
    x = 139,622.73

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