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Finding the Fourth Proportional to 377,210.85, 520,556.13 and 216,065.81

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Solution

The fourth proportional to 377,210.85, 520,556.13 and 216,065.81 is: 298,173.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,210.85 : 520,556.13 = 216,065.81 : x
  2. Step 2: Convert to fraction form
    377,210.85/520,556.13 = 216,065.81/x
  3. Step 3: Cross multiply
    377,210.85x = 520,556.13 × 216,065.81
  4. Step 4: Simplify right side
    377,210.85x = 112,474,379,276.14
  5. Step 5: Solve for x
    x = 112,474,379,276.14/377,210.85
  6. Step 6: Final answer
    x = 298,173.76

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