Home / 208,185.66-312,279.30-50,414.27

Finding the Fourth Proportional to 208,185.66, 312,279.30 and 50,414.27

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Solution

The fourth proportional to 208,185.66, 312,279.30 and 50,414.27 is: 75,621.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,185.66 : 312,279.30 = 50,414.27 : x
  2. Step 2: Convert to fraction form
    208,185.66/312,279.30 = 50,414.27/x
  3. Step 3: Cross multiply
    208,185.66x = 312,279.30 × 50,414.27
  4. Step 4: Simplify right side
    208,185.66x = 15,743,331,384.21
  5. Step 5: Solve for x
    x = 15,743,331,384.21/208,185.66
  6. Step 6: Final answer
    x = 75,621.59

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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.