Home / 208,144.42-312,216.64-50,372.88

Finding the Fourth Proportional to 208,144.42, 312,216.64 and 50,372.88

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Solution

The fourth proportional to 208,144.42, 312,216.64 and 50,372.88 is: 75,559.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,144.42 : 312,216.64 = 50,372.88 : x
  2. Step 2: Convert to fraction form
    208,144.42/312,216.64 = 50,372.88/x
  3. Step 3: Cross multiply
    208,144.42x = 312,216.64 × 50,372.88
  4. Step 4: Simplify right side
    208,144.42x = 15,727,251,340.72
  5. Step 5: Solve for x
    x = 15,727,251,340.72/208,144.42
  6. Step 6: Final answer
    x = 75,559.32

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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.