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Finding the Fourth Proportional to 303,429.80, 455,144.70 and 93,040.40

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Solution

The fourth proportional to 303,429.80, 455,144.70 and 93,040.40 is: 139,560.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,429.80 : 455,144.70 = 93,040.40 : x
  2. Step 2: Convert to fraction form
    303,429.80/455,144.70 = 93,040.40/x
  3. Step 3: Cross multiply
    303,429.80x = 455,144.70 × 93,040.40
  4. Step 4: Simplify right side
    303,429.80x = 42,346,844,945.88
  5. Step 5: Solve for x
    x = 42,346,844,945.88/303,429.80
  6. Step 6: Final answer
    x = 139,560.60

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