Home / 208,486.82-312,727.26-50,715.56

Finding the Fourth Proportional to 208,486.82, 312,727.26 and 50,715.56

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Solution

The fourth proportional to 208,486.82, 312,727.26 and 50,715.56 is: 76,072.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,486.82 : 312,727.26 = 50,715.56 : x
  2. Step 2: Convert to fraction form
    208,486.82/312,727.26 = 50,715.56/x
  3. Step 3: Cross multiply
    208,486.82x = 312,727.26 × 50,715.56
  4. Step 4: Simplify right side
    208,486.82x = 15,860,138,118.17
  5. Step 5: Solve for x
    x = 15,860,138,118.17/208,486.82
  6. Step 6: Final answer
    x = 76,072.62

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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.