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Finding the Fourth Proportional to 262,803.40, 393,621.90 and 227,811.40

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Solution

The fourth proportional to 262,803.40, 393,621.90 and 227,811.40 is: 341,211.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,803.40 : 393,621.90 = 227,811.40 : x
  2. Step 2: Convert to fraction form
    262,803.40/393,621.90 = 227,811.40/x
  3. Step 3: Cross multiply
    262,803.40x = 393,621.90 × 227,811.40
  4. Step 4: Simplify right side
    262,803.40x = 89,671,556,109.66
  5. Step 5: Solve for x
    x = 89,671,556,109.66/262,803.40
  6. Step 6: Final answer
    x = 341,211.55

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