Home / 226,961.39-340,442.09-69,188.48

Finding the Fourth Proportional to 226,961.39, 340,442.09 and 69,188.48

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Solution

The fourth proportional to 226,961.39, 340,442.09 and 69,188.48 is: 103,782.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,961.39 : 340,442.09 = 69,188.48 : x
  2. Step 2: Convert to fraction form
    226,961.39/340,442.09 = 69,188.48/x
  3. Step 3: Cross multiply
    226,961.39x = 340,442.09 × 69,188.48
  4. Step 4: Simplify right side
    226,961.39x = 23,554,670,223.09
  5. Step 5: Solve for x
    x = 23,554,670,223.09/226,961.39
  6. Step 6: Final answer
    x = 103,782.72

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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.