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Finding the Fourth Proportional to 331,811.37, 497,401.72 and 211,530.69

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Solution

The fourth proportional to 331,811.37, 497,401.72 and 211,530.69 is: 317,095.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,811.37 : 497,401.72 = 211,530.69 : x
  2. Step 2: Convert to fraction form
    331,811.37/497,401.72 = 211,530.69/x
  3. Step 3: Cross multiply
    331,811.37x = 497,401.72 × 211,530.69
  4. Step 4: Simplify right side
    331,811.37x = 105,215,729,038.79
  5. Step 5: Solve for x
    x = 105,215,729,038.79/331,811.37
  6. Step 6: Final answer
    x = 317,095.01

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