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Finding the Fourth Proportional to 199,815, 299,715.60 and 50,056.60

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Solution

The fourth proportional to 199,815, 299,715.60 and 50,056.60 is: 75,083.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,815 : 299,715.60 = 50,056.60 : x
  2. Step 2: Convert to fraction form
    199,815/299,715.60 = 50,056.60/x
  3. Step 3: Cross multiply
    199,815x = 299,715.60 × 50,056.60
  4. Step 4: Simplify right side
    199,815x = 15,002,743,902.96
  5. Step 5: Solve for x
    x = 15,002,743,902.96/199,815
  6. Step 6: Final answer
    x = 75,083.17

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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.