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Finding the Fourth Proportional to 293,210.20, 439,728.90 and 115,658.20

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Solution

The fourth proportional to 293,210.20, 439,728.90 and 115,658.20 is: 173,453.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,210.20 : 439,728.90 = 115,658.20 : x
  2. Step 2: Convert to fraction form
    293,210.20/439,728.90 = 115,658.20/x
  3. Step 3: Cross multiply
    293,210.20x = 439,728.90 × 115,658.20
  4. Step 4: Simplify right side
    293,210.20x = 50,858,253,061.98
  5. Step 5: Solve for x
    x = 50,858,253,061.98/293,210.20
  6. Step 6: Final answer
    x = 173,453.22

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