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Finding the Fourth Proportional to 303,599.80, 455,399.70 and 93,210.40

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Solution

The fourth proportional to 303,599.80, 455,399.70 and 93,210.40 is: 139,815.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,599.80 : 455,399.70 = 93,210.40 : x
  2. Step 2: Convert to fraction form
    303,599.80/455,399.70 = 93,210.40/x
  3. Step 3: Cross multiply
    303,599.80x = 455,399.70 × 93,210.40
  4. Step 4: Simplify right side
    303,599.80x = 42,447,988,196.88
  5. Step 5: Solve for x
    x = 42,447,988,196.88/303,599.80
  6. Step 6: Final answer
    x = 139,815.60

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