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Finding the Fourth Proportional to 228,330, 342,398.52 and 68,428.62

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Solution

The fourth proportional to 228,330, 342,398.52 and 68,428.62 is: 102,614.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,330 : 342,398.52 = 68,428.62 : x
  2. Step 2: Convert to fraction form
    228,330/342,398.52 = 68,428.62/x
  3. Step 3: Cross multiply
    228,330x = 342,398.52 × 68,428.62
  4. Step 4: Simplify right side
    228,330x = 23,429,858,213.64
  5. Step 5: Solve for x
    x = 23,429,858,213.64/228,330
  6. Step 6: Final answer
    x = 102,614.02

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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.