Home / 263,291.45-363,343.92-161,317.13

Finding the Fourth Proportional to 263,291.45, 363,343.92 and 161,317.13

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Solution

The fourth proportional to 263,291.45, 363,343.92 and 161,317.13 is: 222,618.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,291.45 : 363,343.92 = 161,317.13 : x
  2. Step 2: Convert to fraction form
    263,291.45/363,343.92 = 161,317.13/x
  3. Step 3: Cross multiply
    263,291.45x = 363,343.92 × 161,317.13
  4. Step 4: Simplify right side
    263,291.45x = 58,613,598,377.35
  5. Step 5: Solve for x
    x = 58,613,598,377.35/263,291.45
  6. Step 6: Final answer
    x = 222,618.69

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1.5x scale

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.