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Finding the Fourth Proportional to 309,327.84, 464,031 and 109,609.20

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Solution

The fourth proportional to 309,327.84, 464,031 and 109,609.20 is: 164,427.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,327.84 : 464,031 = 109,609.20 : x
  2. Step 2: Convert to fraction form
    309,327.84/464,031 = 109,609.20/x
  3. Step 3: Cross multiply
    309,327.84x = 464,031 × 109,609.20
  4. Step 4: Simplify right side
    309,327.84x = 50,862,066,685.20
  5. Step 5: Solve for x
    x = 50,862,066,685.20/309,327.84
  6. Step 6: Final answer
    x = 164,427.70

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