Home / 226,942.20-340,413.30-208,279.80

Finding the Fourth Proportional to 226,942.20, 340,413.30 and 208,279.80

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Solution

The fourth proportional to 226,942.20, 340,413.30 and 208,279.80 is: 312,419.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,942.20 : 340,413.30 = 208,279.80 : x
  2. Step 2: Convert to fraction form
    226,942.20/340,413.30 = 208,279.80/x
  3. Step 3: Cross multiply
    226,942.20x = 340,413.30 × 208,279.80
  4. Step 4: Simplify right side
    226,942.20x = 70,901,214,041.34
  5. Step 5: Solve for x
    x = 70,901,214,041.34/226,942.20
  6. Step 6: Final answer
    x = 312,419.70

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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.