Home / 252,002.80-377,129.40-231,007.60

Finding the Fourth Proportional to 252,002.80, 377,129.40 and 231,007.60

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Solution

The fourth proportional to 252,002.80, 377,129.40 and 231,007.60 is: 345,709.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,002.80 : 377,129.40 = 231,007.60 : x
  2. Step 2: Convert to fraction form
    252,002.80/377,129.40 = 231,007.60/x
  3. Step 3: Cross multiply
    252,002.80x = 377,129.40 × 231,007.60
  4. Step 4: Simplify right side
    252,002.80x = 87,119,757,583.44
  5. Step 5: Solve for x
    x = 87,119,757,583.44/252,002.80
  6. Step 6: Final answer
    x = 345,709.48

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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.