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Finding the Fourth Proportional to 368,644.91, 508,812.94 and 241,246.69

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Solution

The fourth proportional to 368,644.91, 508,812.94 and 241,246.69 is: 332,974.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,644.91 : 508,812.94 = 241,246.69 : x
  2. Step 2: Convert to fraction form
    368,644.91/508,812.94 = 241,246.69/x
  3. Step 3: Cross multiply
    368,644.91x = 508,812.94 × 241,246.69
  4. Step 4: Simplify right side
    368,644.91x = 122,749,436,633.70
  5. Step 5: Solve for x
    x = 122,749,436,633.70/368,644.91
  6. Step 6: Final answer
    x = 332,974.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.