Home / 226,580.03-312,552.92-135,911.87

Finding the Fourth Proportional to 226,580.03, 312,552.92 and 135,911.87

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Solution

The fourth proportional to 226,580.03, 312,552.92 and 135,911.87 is: 187,481.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,580.03 : 312,552.92 = 135,911.87 : x
  2. Step 2: Convert to fraction form
    226,580.03/312,552.92 = 135,911.87/x
  3. Step 3: Cross multiply
    226,580.03x = 312,552.92 × 135,911.87
  4. Step 4: Simplify right side
    226,580.03x = 42,479,651,151.60
  5. Step 5: Solve for x
    x = 42,479,651,151.60/226,580.03
  6. Step 6: Final answer
    x = 187,481.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.