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Finding the Fourth Proportional to 383,505.28, 575,275.20 and 146,786.56

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Solution

The fourth proportional to 383,505.28, 575,275.20 and 146,786.56 is: 220,186.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,505.28 : 575,275.20 = 146,786.56 : x
  2. Step 2: Convert to fraction form
    383,505.28/575,275.20 = 146,786.56/x
  3. Step 3: Cross multiply
    383,505.28x = 575,275.20 × 146,786.56
  4. Step 4: Simplify right side
    383,505.28x = 84,442,667,661.31
  5. Step 5: Solve for x
    x = 84,442,667,661.31/383,505.28
  6. Step 6: Final answer
    x = 220,186.45

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