Home / 327,371.36-491,067.60-90,716.32

Finding the Fourth Proportional to 327,371.36, 491,067.60 and 90,716.32

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Solution

The fourth proportional to 327,371.36, 491,067.60 and 90,716.32 is: 136,077.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,371.36 : 491,067.60 = 90,716.32 : x
  2. Step 2: Convert to fraction form
    327,371.36/491,067.60 = 90,716.32/x
  3. Step 3: Cross multiply
    327,371.36x = 491,067.60 × 90,716.32
  4. Step 4: Simplify right side
    327,371.36x = 44,547,845,543.23
  5. Step 5: Solve for x
    x = 44,547,845,543.23/327,371.36
  6. Step 6: Final answer
    x = 136,077.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.