Home / 353,845.24-488,351.10-202,939

Finding the Fourth Proportional to 353,845.24, 488,351.10 and 202,939

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Solution

The fourth proportional to 353,845.24, 488,351.10 and 202,939 is: 280,081.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,845.24 : 488,351.10 = 202,939 : x
  2. Step 2: Convert to fraction form
    353,845.24/488,351.10 = 202,939/x
  3. Step 3: Cross multiply
    353,845.24x = 488,351.10 × 202,939
  4. Step 4: Simplify right side
    353,845.24x = 99,105,483,882.90
  5. Step 5: Solve for x
    x = 99,105,483,882.90/353,845.24
  6. Step 6: Final answer
    x = 280,081.44

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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.