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Finding the Fourth Proportional to 371,786.46, 513,068.56 and 202,020.58

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Solution

The fourth proportional to 371,786.46, 513,068.56 and 202,020.58 is: 278,790.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,786.46 : 513,068.56 = 202,020.58 : x
  2. Step 2: Convert to fraction form
    371,786.46/513,068.56 = 202,020.58/x
  3. Step 3: Cross multiply
    371,786.46x = 513,068.56 × 202,020.58
  4. Step 4: Simplify right side
    371,786.46x = 103,650,408,070.97
  5. Step 5: Solve for x
    x = 103,650,408,070.97/371,786.46
  6. Step 6: Final answer
    x = 278,790.16

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