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Finding the Fourth Proportional to 371,515.32, 557,185.68 and 118,818.36

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Solution

The fourth proportional to 371,515.32, 557,185.68 and 118,818.36 is: 178,199.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,515.32 : 557,185.68 = 118,818.36 : x
  2. Step 2: Convert to fraction form
    371,515.32/557,185.68 = 118,818.36/x
  3. Step 3: Cross multiply
    371,515.32x = 557,185.68 × 118,818.36
  4. Step 4: Simplify right side
    371,515.32x = 66,203,888,713.08
  5. Step 5: Solve for x
    x = 66,203,888,713.08/371,515.32
  6. Step 6: Final answer
    x = 178,199.62

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