Home / 356,370.16-491,790.90-195,231.04

Finding the Fourth Proportional to 356,370.16, 491,790.90 and 195,231.04

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Solution

The fourth proportional to 356,370.16, 491,790.90 and 195,231.04 is: 269,418.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,370.16 : 491,790.90 = 195,231.04 : x
  2. Step 2: Convert to fraction form
    356,370.16/491,790.90 = 195,231.04/x
  3. Step 3: Cross multiply
    356,370.16x = 491,790.90 × 195,231.04
  4. Step 4: Simplify right side
    356,370.16x = 96,012,848,869.54
  5. Step 5: Solve for x
    x = 96,012,848,869.54/356,370.16
  6. Step 6: Final answer
    x = 269,418.88

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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.