Home / 226,583.20-339,902.50-76,866.32

Finding the Fourth Proportional to 226,583.20, 339,902.50 and 76,866.32

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Solution

The fourth proportional to 226,583.20, 339,902.50 and 76,866.32 is: 115,308.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,583.20 : 339,902.50 = 76,866.32 : x
  2. Step 2: Convert to fraction form
    226,583.20/339,902.50 = 76,866.32/x
  3. Step 3: Cross multiply
    226,583.20x = 339,902.50 × 76,866.32
  4. Step 4: Simplify right side
    226,583.20x = 26,127,054,333.80
  5. Step 5: Solve for x
    x = 26,127,054,333.80/226,583.20
  6. Step 6: Final answer
    x = 115,308.88

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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.