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Finding the Fourth Proportional to 303,784.80, 455,677.20 and 93,422.40

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Solution

The fourth proportional to 303,784.80, 455,677.20 and 93,422.40 is: 140,133.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,784.80 : 455,677.20 = 93,422.40 : x
  2. Step 2: Convert to fraction form
    303,784.80/455,677.20 = 93,422.40/x
  3. Step 3: Cross multiply
    303,784.80x = 455,677.20 × 93,422.40
  4. Step 4: Simplify right side
    303,784.80x = 42,570,457,649.28
  5. Step 5: Solve for x
    x = 42,570,457,649.28/303,784.80
  6. Step 6: Final answer
    x = 140,133.60

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