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Finding the Fourth Proportional to 365,136, 547,704 and 115,818

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Solution

The fourth proportional to 365,136, 547,704 and 115,818 is: 173,727

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,136 : 547,704 = 115,818 : x
  2. Step 2: Convert to fraction form
    365,136/547,704 = 115,818/x
  3. Step 3: Cross multiply
    365,136x = 547,704 × 115,818
  4. Step 4: Simplify right side
    365,136x = 63,433,981,872
  5. Step 5: Solve for x
    x = 63,433,981,872/365,136
  6. Step 6: Final answer
    x = 173,727

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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.