Home / 226,506.22-340,021.77-121,530.22

Finding the Fourth Proportional to 226,506.22, 340,021.77 and 121,530.22

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Solution

The fourth proportional to 226,506.22, 340,021.77 and 121,530.22 is: 182,436.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,506.22 : 340,021.77 = 121,530.22 : x
  2. Step 2: Convert to fraction form
    226,506.22/340,021.77 = 121,530.22/x
  3. Step 3: Cross multiply
    226,506.22x = 340,021.77 × 121,530.22
  4. Step 4: Simplify right side
    226,506.22x = 41,322,919,207.10
  5. Step 5: Solve for x
    x = 41,322,919,207.10/226,506.22
  6. Step 6: Final answer
    x = 182,436.14

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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.