Home / 705,231.36-1,057,839.75-172,755.18

Finding the Fourth Proportional to 705,231.36, 1,057,839.75 and 172,755.18

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Solution

The fourth proportional to 705,231.36, 1,057,839.75 and 172,755.18 is: 259,130.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,231.36 : 1,057,839.75 = 172,755.18 : x
  2. Step 2: Convert to fraction form
    705,231.36/1,057,839.75 = 172,755.18/x
  3. Step 3: Cross multiply
    705,231.36x = 1,057,839.75 × 172,755.18
  4. Step 4: Simplify right side
    705,231.36x = 182,747,296,422.41
  5. Step 5: Solve for x
    x = 182,747,296,422.41/705,231.36
  6. Step 6: Final answer
    x = 259,130.98

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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.