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Finding the Fourth Proportional to 355,083.26, 489,995.04 and 202,158.68

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Solution

The fourth proportional to 355,083.26, 489,995.04 and 202,158.68 is: 278,967.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,083.26 : 489,995.04 = 202,158.68 : x
  2. Step 2: Convert to fraction form
    355,083.26/489,995.04 = 202,158.68/x
  3. Step 3: Cross multiply
    355,083.26x = 489,995.04 × 202,158.68
  4. Step 4: Simplify right side
    355,083.26x = 99,056,750,492.95
  5. Step 5: Solve for x
    x = 99,056,750,492.95/355,083.26
  6. Step 6: Final answer
    x = 278,967.67

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