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Finding the Fourth Proportional to 402,110.65, 602,247.03 and 191,896.21

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Solution

The fourth proportional to 402,110.65, 602,247.03 and 191,896.21 is: 287,405.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,110.65 : 602,247.03 = 191,896.21 : x
  2. Step 2: Convert to fraction form
    402,110.65/602,247.03 = 191,896.21/x
  3. Step 3: Cross multiply
    402,110.65x = 602,247.03 × 191,896.21
  4. Step 4: Simplify right side
    402,110.65x = 115,568,922,540.76
  5. Step 5: Solve for x
    x = 115,568,922,540.76/402,110.65
  6. Step 6: Final answer
    x = 287,405.77

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