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Finding the Fourth Proportional to 303,426.80, 455,140.20 and 93,037.40

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Solution

The fourth proportional to 303,426.80, 455,140.20 and 93,037.40 is: 139,556.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,426.80 : 455,140.20 = 93,037.40 : x
  2. Step 2: Convert to fraction form
    303,426.80/455,140.20 = 93,037.40/x
  3. Step 3: Cross multiply
    303,426.80x = 455,140.20 × 93,037.40
  4. Step 4: Simplify right side
    303,426.80x = 42,345,060,843.48
  5. Step 5: Solve for x
    x = 42,345,060,843.48/303,426.80
  6. Step 6: Final answer
    x = 139,556.10

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