Home / 208,249.92-312,372.06-50,479.74

Finding the Fourth Proportional to 208,249.92, 312,372.06 and 50,479.74

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Solution

The fourth proportional to 208,249.92, 312,372.06 and 50,479.74 is: 75,718.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,249.92 : 312,372.06 = 50,479.74 : x
  2. Step 2: Convert to fraction form
    208,249.92/312,372.06 = 50,479.74/x
  3. Step 3: Cross multiply
    208,249.92x = 312,372.06 × 50,479.74
  4. Step 4: Simplify right side
    208,249.92x = 15,768,460,372.06
  5. Step 5: Solve for x
    x = 15,768,460,372.06/208,249.92
  6. Step 6: Final answer
    x = 75,718.93

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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.