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Finding the Fourth Proportional to 338,368.86, 466,917.97 and 195,101.22

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Solution

The fourth proportional to 338,368.86, 466,917.97 and 195,101.22 is: 269,221.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,368.86 : 466,917.97 = 195,101.22 : x
  2. Step 2: Convert to fraction form
    338,368.86/466,917.97 = 195,101.22/x
  3. Step 3: Cross multiply
    338,368.86x = 466,917.97 × 195,101.22
  4. Step 4: Simplify right side
    338,368.86x = 91,096,265,586.92
  5. Step 5: Solve for x
    x = 91,096,265,586.92/338,368.86
  6. Step 6: Final answer
    x = 269,221.78

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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.