Home / 447,016.32-616,879.26-243,067.38

Finding the Fourth Proportional to 447,016.32, 616,879.26 and 243,067.38

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Solution

The fourth proportional to 447,016.32, 616,879.26 and 243,067.38 is: 335,431.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,016.32 : 616,879.26 = 243,067.38 : x
  2. Step 2: Convert to fraction form
    447,016.32/616,879.26 = 243,067.38/x
  3. Step 3: Cross multiply
    447,016.32x = 616,879.26 × 243,067.38
  4. Step 4: Simplify right side
    447,016.32x = 149,943,225,504.54
  5. Step 5: Solve for x
    x = 149,943,225,504.54/447,016.32
  6. Step 6: Final answer
    x = 335,431.21

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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.