Home / 226,148.34-339,261.61-76,389.72

Finding the Fourth Proportional to 226,148.34, 339,261.61 and 76,389.72

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Solution

The fourth proportional to 226,148.34, 339,261.61 and 76,389.72 is: 114,597.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,148.34 : 339,261.61 = 76,389.72 : x
  2. Step 2: Convert to fraction form
    226,148.34/339,261.61 = 76,389.72/x
  3. Step 3: Cross multiply
    226,148.34x = 339,261.61 × 76,389.72
  4. Step 4: Simplify right side
    226,148.34x = 25,916,099,394.65
  5. Step 5: Solve for x
    x = 25,916,099,394.65/226,148.34
  6. Step 6: Final answer
    x = 114,597.79

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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.