Home / 439,743.88-606,860.10-248,753.80

Finding the Fourth Proportional to 439,743.88, 606,860.10 and 248,753.80

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Solution

The fourth proportional to 439,743.88, 606,860.10 and 248,753.80 is: 343,287.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,743.88 : 606,860.10 = 248,753.80 : x
  2. Step 2: Convert to fraction form
    439,743.88/606,860.10 = 248,753.80/x
  3. Step 3: Cross multiply
    439,743.88x = 606,860.10 × 248,753.80
  4. Step 4: Simplify right side
    439,743.88x = 150,958,755,943.38
  5. Step 5: Solve for x
    x = 150,958,755,943.38/439,743.88
  6. Step 6: Final answer
    x = 343,287.91

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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.