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Finding the Fourth Proportional to 283,015.28, 390,525.50 and 191,333.94

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Solution

The fourth proportional to 283,015.28, 390,525.50 and 191,333.94 is: 264,016.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,015.28 : 390,525.50 = 191,333.94 : x
  2. Step 2: Convert to fraction form
    283,015.28/390,525.50 = 191,333.94/x
  3. Step 3: Cross multiply
    283,015.28x = 390,525.50 × 191,333.94
  4. Step 4: Simplify right side
    283,015.28x = 74,720,782,585.47
  5. Step 5: Solve for x
    x = 74,720,782,585.47/283,015.28
  6. Step 6: Final answer
    x = 264,016.78

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