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Finding the Fourth Proportional to 306,705.60, 460,072.80 and 96,350.40

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Solution

The fourth proportional to 306,705.60, 460,072.80 and 96,350.40 is: 144,530.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,705.60 : 460,072.80 = 96,350.40 : x
  2. Step 2: Convert to fraction form
    306,705.60/460,072.80 = 96,350.40/x
  3. Step 3: Cross multiply
    306,705.60x = 460,072.80 × 96,350.40
  4. Step 4: Simplify right side
    306,705.60x = 44,328,198,309.12
  5. Step 5: Solve for x
    x = 44,328,198,309.12/306,705.60
  6. Step 6: Final answer
    x = 144,530.12

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