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Finding the Fourth Proportional to 303,953.60, 455,887.20 and 93,612.80

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Solution

The fourth proportional to 303,953.60, 455,887.20 and 93,612.80 is: 140,405.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,953.60 : 455,887.20 = 93,612.80 : x
  2. Step 2: Convert to fraction form
    303,953.60/455,887.20 = 93,612.80/x
  3. Step 3: Cross multiply
    303,953.60x = 455,887.20 × 93,612.80
  4. Step 4: Simplify right side
    303,953.60x = 42,676,877,276.16
  5. Step 5: Solve for x
    x = 42,676,877,276.16/303,953.60
  6. Step 6: Final answer
    x = 140,405.90

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