Home / 208,488.26-312,729.66-50,716.87

Finding the Fourth Proportional to 208,488.26, 312,729.66 and 50,716.87

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Solution

The fourth proportional to 208,488.26, 312,729.66 and 50,716.87 is: 76,074.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,488.26 : 312,729.66 = 50,716.87 : x
  2. Step 2: Convert to fraction form
    208,488.26/312,729.66 = 50,716.87/x
  3. Step 3: Cross multiply
    208,488.26x = 312,729.66 × 50,716.87
  4. Step 4: Simplify right side
    208,488.26x = 15,860,668,729.54
  5. Step 5: Solve for x
    x = 15,860,668,729.54/208,488.26
  6. Step 6: Final answer
    x = 76,074.64

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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.