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Finding the Fourth Proportional to 294,066.40, 439,933.20 and 255,056.80

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Solution

The fourth proportional to 294,066.40, 439,933.20 and 255,056.80 is: 381,573.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,066.40 : 439,933.20 = 255,056.80 : x
  2. Step 2: Convert to fraction form
    294,066.40/439,933.20 = 255,056.80/x
  3. Step 3: Cross multiply
    294,066.40x = 439,933.20 × 255,056.80
  4. Step 4: Simplify right side
    294,066.40x = 112,207,954,205.76
  5. Step 5: Solve for x
    x = 112,207,954,205.76/294,066.40
  6. Step 6: Final answer
    x = 381,573.53

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