Home / 231,034.20-346,518.90-73,278.60

Finding the Fourth Proportional to 231,034.20, 346,518.90 and 73,278.60

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Solution

The fourth proportional to 231,034.20, 346,518.90 and 73,278.60 is: 109,907.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,034.20 : 346,518.90 = 73,278.60 : x
  2. Step 2: Convert to fraction form
    231,034.20/346,518.90 = 73,278.60/x
  3. Step 3: Cross multiply
    231,034.20x = 346,518.90 × 73,278.60
  4. Step 4: Simplify right side
    231,034.20x = 25,392,419,865.54
  5. Step 5: Solve for x
    x = 25,392,419,865.54/231,034.20
  6. Step 6: Final answer
    x = 109,907.62

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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.