Home / 226,878.37-340,238.22-66,911.87

Finding the Fourth Proportional to 226,878.37, 340,238.22 and 66,911.87

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Solution

The fourth proportional to 226,878.37, 340,238.22 and 66,911.87 is: 100,344.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,878.37 : 340,238.22 = 66,911.87 : x
  2. Step 2: Convert to fraction form
    226,878.37/340,238.22 = 66,911.87/x
  3. Step 3: Cross multiply
    226,878.37x = 340,238.22 × 66,911.87
  4. Step 4: Simplify right side
    226,878.37x = 22,765,975,211.11
  5. Step 5: Solve for x
    x = 22,765,975,211.11/226,878.37
  6. Step 6: Final answer
    x = 100,344.41

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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.