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Finding the Fourth Proportional to 279,181.46, 418,774.65 and 79,501.68

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Solution

The fourth proportional to 279,181.46, 418,774.65 and 79,501.68 is: 119,253.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,181.46 : 418,774.65 = 79,501.68 : x
  2. Step 2: Convert to fraction form
    279,181.46/418,774.65 = 79,501.68/x
  3. Step 3: Cross multiply
    279,181.46x = 418,774.65 × 79,501.68
  4. Step 4: Simplify right side
    279,181.46x = 33,293,288,216.41
  5. Step 5: Solve for x
    x = 33,293,288,216.41/279,181.46
  6. Step 6: Final answer
    x = 119,253.22

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