Home / 226,531.89-339,585.62-76,667.31

Finding the Fourth Proportional to 226,531.89, 339,585.62 and 76,667.31

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Solution

The fourth proportional to 226,531.89, 339,585.62 and 76,667.31 is: 114,929.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,531.89 : 339,585.62 = 76,667.31 : x
  2. Step 2: Convert to fraction form
    226,531.89/339,585.62 = 76,667.31/x
  3. Step 3: Cross multiply
    226,531.89x = 339,585.62 × 76,667.31
  4. Step 4: Simplify right side
    226,531.89x = 26,035,115,616.75
  5. Step 5: Solve for x
    x = 26,035,115,616.75/226,531.89
  6. Step 6: Final answer
    x = 114,929.14

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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.