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Finding the Fourth Proportional to 283,519.50, 391,256.91 and 156,195.06

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Solution

The fourth proportional to 283,519.50, 391,256.91 and 156,195.06 is: 215,549.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,519.50 : 391,256.91 = 156,195.06 : x
  2. Step 2: Convert to fraction form
    283,519.50/391,256.91 = 156,195.06/x
  3. Step 3: Cross multiply
    283,519.50x = 391,256.91 × 156,195.06
  4. Step 4: Simplify right side
    283,519.50x = 61,112,396,532.86
  5. Step 5: Solve for x
    x = 61,112,396,532.86/283,519.50
  6. Step 6: Final answer
    x = 215,549.18

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