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Finding the Fourth Proportional to 310,711.68, 465,744.33 and 210,879.99

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Solution

The fourth proportional to 310,711.68, 465,744.33 and 210,879.99 is: 316,100.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,711.68 : 465,744.33 = 210,879.99 : x
  2. Step 2: Convert to fraction form
    310,711.68/465,744.33 = 210,879.99/x
  3. Step 3: Cross multiply
    310,711.68x = 465,744.33 × 210,879.99
  4. Step 4: Simplify right side
    310,711.68x = 98,216,159,652.96
  5. Step 5: Solve for x
    x = 98,216,159,652.96/310,711.68
  6. Step 6: Final answer
    x = 316,100.64

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