Home / 354,249.07-488,839.30-199,223.54

Finding the Fourth Proportional to 354,249.07, 488,839.30 and 199,223.54

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Solution

The fourth proportional to 354,249.07, 488,839.30 and 199,223.54 is: 274,914.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,249.07 : 488,839.30 = 199,223.54 : x
  2. Step 2: Convert to fraction form
    354,249.07/488,839.30 = 199,223.54/x
  3. Step 3: Cross multiply
    354,249.07x = 488,839.30 × 199,223.54
  4. Step 4: Simplify right side
    354,249.07x = 97,388,294,841.00
  5. Step 5: Solve for x
    x = 97,388,294,841.00/354,249.07
  6. Step 6: Final answer
    x = 274,914.75

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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.