Home / 226,287.72-312,242.34-130,775.97

Finding the Fourth Proportional to 226,287.72, 312,242.34 and 130,775.97

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Solution

The fourth proportional to 226,287.72, 312,242.34 and 130,775.97 is: 180,450.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,287.72 : 312,242.34 = 130,775.97 : x
  2. Step 2: Convert to fraction form
    226,287.72/312,242.34 = 130,775.97/x
  3. Step 3: Cross multiply
    226,287.72x = 312,242.34 × 130,775.97
  4. Step 4: Simplify right side
    226,287.72x = 40,833,794,888.57
  5. Step 5: Solve for x
    x = 40,833,794,888.57/226,287.72
  6. Step 6: Final answer
    x = 180,450.78

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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.