Home / 208,821.78-313,232.67-51,049.98

Finding the Fourth Proportional to 208,821.78, 313,232.67 and 51,049.98

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Solution

The fourth proportional to 208,821.78, 313,232.67 and 51,049.98 is: 76,574.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,821.78 : 313,232.67 = 51,049.98 : x
  2. Step 2: Convert to fraction form
    208,821.78/313,232.67 = 51,049.98/x
  3. Step 3: Cross multiply
    208,821.78x = 313,232.67 × 51,049.98
  4. Step 4: Simplify right side
    208,821.78x = 15,990,521,538.85
  5. Step 5: Solve for x
    x = 15,990,521,538.85/208,821.78
  6. Step 6: Final answer
    x = 76,574.97

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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.