Home / 320,081.13-441,516.74-205,321.14

Finding the Fourth Proportional to 320,081.13, 441,516.74 and 205,321.14

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Solution

The fourth proportional to 320,081.13, 441,516.74 and 205,321.14 is: 283,217.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,081.13 : 441,516.74 = 205,321.14 : x
  2. Step 2: Convert to fraction form
    320,081.13/441,516.74 = 205,321.14/x
  3. Step 3: Cross multiply
    320,081.13x = 441,516.74 × 205,321.14
  4. Step 4: Simplify right side
    320,081.13x = 90,652,719,359.28
  5. Step 5: Solve for x
    x = 90,652,719,359.28/320,081.13
  6. Step 6: Final answer
    x = 283,217.94

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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.