Home / 655,212.29-982,817.75-205,972.42

Finding the Fourth Proportional to 655,212.29, 982,817.75 and 205,972.42

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Solution

The fourth proportional to 655,212.29, 982,817.75 and 205,972.42 is: 308,958.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,212.29 : 982,817.75 = 205,972.42 : x
  2. Step 2: Convert to fraction form
    655,212.29/982,817.75 = 205,972.42/x
  3. Step 3: Cross multiply
    655,212.29x = 982,817.75 × 205,972.42
  4. Step 4: Simplify right side
    655,212.29x = 202,433,350,287.13
  5. Step 5: Solve for x
    x = 202,433,350,287.13/655,212.29
  6. Step 6: Final answer
    x = 308,958.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.