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Finding the Fourth Proportional to 356,350.53, 491,763.71 and 195,205.54

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Solution

The fourth proportional to 356,350.53, 491,763.71 and 195,205.54 is: 269,383.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,350.53 : 491,763.71 = 195,205.54 : x
  2. Step 2: Convert to fraction form
    356,350.53/491,763.71 = 195,205.54/x
  3. Step 3: Cross multiply
    356,350.53x = 491,763.71 × 195,205.54
  4. Step 4: Simplify right side
    356,350.53x = 95,994,998,262.50
  5. Step 5: Solve for x
    x = 95,994,998,262.50/356,350.53
  6. Step 6: Final answer
    x = 269,383.63

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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.