Home / 208,249.44-312,371.28-50,479.20

Finding the Fourth Proportional to 208,249.44, 312,371.28 and 50,479.20

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Solution

The fourth proportional to 208,249.44, 312,371.28 and 50,479.20 is: 75,718.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,249.44 : 312,371.28 = 50,479.20 : x
  2. Step 2: Convert to fraction form
    208,249.44/312,371.28 = 50,479.20/x
  3. Step 3: Cross multiply
    208,249.44x = 312,371.28 × 50,479.20
  4. Step 4: Simplify right side
    208,249.44x = 15,768,252,317.38
  5. Step 5: Solve for x
    x = 15,768,252,317.38/208,249.44
  6. Step 6: Final answer
    x = 75,718.10

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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.