Home / 352,853.03-486,829.91-199,866.92

Finding the Fourth Proportional to 352,853.03, 486,829.91 and 199,866.92

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Solution

The fourth proportional to 352,853.03, 486,829.91 and 199,866.92 is: 275,755.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,853.03 : 486,829.91 = 199,866.92 : x
  2. Step 2: Convert to fraction form
    352,853.03/486,829.91 = 199,866.92/x
  3. Step 3: Cross multiply
    352,853.03x = 486,829.91 × 199,866.92
  4. Step 4: Simplify right side
    352,853.03x = 97,301,192,741.09
  5. Step 5: Solve for x
    x = 97,301,192,741.09/352,853.03
  6. Step 6: Final answer
    x = 275,755.58

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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.