Home / 361,556.52-498,971.99-200,418.36

Finding the Fourth Proportional to 361,556.52, 498,971.99 and 200,418.36

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Solution

The fourth proportional to 361,556.52, 498,971.99 and 200,418.36 is: 276,590.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,556.52 : 498,971.99 = 200,418.36 : x
  2. Step 2: Convert to fraction form
    361,556.52/498,971.99 = 200,418.36/x
  3. Step 3: Cross multiply
    361,556.52x = 498,971.99 × 200,418.36
  4. Step 4: Simplify right side
    361,556.52x = 100,003,147,921.74
  5. Step 5: Solve for x
    x = 100,003,147,921.74/361,556.52
  6. Step 6: Final answer
    x = 276,590.64

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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.