Home / 356,306.22-491,709.66-195,161.31

Finding the Fourth Proportional to 356,306.22, 491,709.66 and 195,161.31

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Solution

The fourth proportional to 356,306.22, 491,709.66 and 195,161.31 is: 269,326.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,306.22 : 491,709.66 = 195,161.31 : x
  2. Step 2: Convert to fraction form
    356,306.22/491,709.66 = 195,161.31/x
  3. Step 3: Cross multiply
    356,306.22x = 491,709.66 × 195,161.31
  4. Step 4: Simplify right side
    356,306.22x = 95,962,701,385.25
  5. Step 5: Solve for x
    x = 95,962,701,385.25/356,306.22
  6. Step 6: Final answer
    x = 269,326.48

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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.