Home / 208,245.92-312,366.08-50,475.72

Finding the Fourth Proportional to 208,245.92, 312,366.08 and 50,475.72

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Solution

The fourth proportional to 208,245.92, 312,366.08 and 50,475.72 is: 75,712.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,245.92 : 312,366.08 = 50,475.72 : x
  2. Step 2: Convert to fraction form
    208,245.92/312,366.08 = 50,475.72/x
  3. Step 3: Cross multiply
    208,245.92x = 312,366.08 × 50,475.72
  4. Step 4: Simplify right side
    208,245.92x = 15,766,902,791.58
  5. Step 5: Solve for x
    x = 15,766,902,791.58/208,245.92
  6. Step 6: Final answer
    x = 75,712.90

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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.