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Finding the Fourth Proportional to 315,685.26, 435,617.07 and 177,886.62

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Solution

The fourth proportional to 315,685.26, 435,617.07 and 177,886.62 is: 245,467.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,685.26 : 435,617.07 = 177,886.62 : x
  2. Step 2: Convert to fraction form
    315,685.26/435,617.07 = 177,886.62/x
  3. Step 3: Cross multiply
    315,685.26x = 435,617.07 × 177,886.62
  4. Step 4: Simplify right side
    315,685.26x = 77,490,448,196.60
  5. Step 5: Solve for x
    x = 77,490,448,196.60/315,685.26
  6. Step 6: Final answer
    x = 245,467.43

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