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Finding the Fourth Proportional to 471,135.75, 706,937.15 and 186,820.21

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Solution

The fourth proportional to 471,135.75, 706,937.15 and 186,820.21 is: 280,322.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,135.75 : 706,937.15 = 186,820.21 : x
  2. Step 2: Convert to fraction form
    471,135.75/706,937.15 = 186,820.21/x
  3. Step 3: Cross multiply
    471,135.75x = 706,937.15 × 186,820.21
  4. Step 4: Simplify right side
    471,135.75x = 132,070,146,819.80
  5. Step 5: Solve for x
    x = 132,070,146,819.80/471,135.75
  6. Step 6: Final answer
    x = 280,322.92

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