Home / 442,839.13-611,100.33-261,609.25

Finding the Fourth Proportional to 442,839.13, 611,100.33 and 261,609.25

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Solution

The fourth proportional to 442,839.13, 611,100.33 and 261,609.25 is: 361,010.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,839.13 : 611,100.33 = 261,609.25 : x
  2. Step 2: Convert to fraction form
    442,839.13/611,100.33 = 261,609.25/x
  3. Step 3: Cross multiply
    442,839.13x = 611,100.33 × 261,609.25
  4. Step 4: Simplify right side
    442,839.13x = 159,869,499,006.05
  5. Step 5: Solve for x
    x = 159,869,499,006.05/442,839.13
  6. Step 6: Final answer
    x = 361,010.33

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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.