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Finding the Fourth Proportional to 283,784.49, 391,625.25 and 156,464.64

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Solution

The fourth proportional to 283,784.49, 391,625.25 and 156,464.64 is: 215,922.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,784.49 : 391,625.25 = 156,464.64 : x
  2. Step 2: Convert to fraction form
    283,784.49/391,625.25 = 156,464.64/x
  3. Step 3: Cross multiply
    283,784.49x = 391,625.25 × 156,464.64
  4. Step 4: Simplify right side
    283,784.49x = 61,275,503,756.16
  5. Step 5: Solve for x
    x = 61,275,503,756.16/283,784.49
  6. Step 6: Final answer
    x = 215,922.67

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