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Finding the Fourth Proportional to 399,844.66, 599,797.97 and 133,606.10

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Solution

The fourth proportional to 399,844.66, 599,797.97 and 133,606.10 is: 200,419.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,844.66 : 599,797.97 = 133,606.10 : x
  2. Step 2: Convert to fraction form
    399,844.66/599,797.97 = 133,606.10/x
  3. Step 3: Cross multiply
    399,844.66x = 599,797.97 × 133,606.10
  4. Step 4: Simplify right side
    399,844.66x = 80,136,667,559.62
  5. Step 5: Solve for x
    x = 80,136,667,559.62/399,844.66
  6. Step 6: Final answer
    x = 200,419.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.