Home / 226,430.49-339,626.13-76,667.46

Finding the Fourth Proportional to 226,430.49, 339,626.13 and 76,667.46

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Solution

The fourth proportional to 226,430.49, 339,626.13 and 76,667.46 is: 114,994.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,430.49 : 339,626.13 = 76,667.46 : x
  2. Step 2: Convert to fraction form
    226,430.49/339,626.13 = 76,667.46/x
  3. Step 3: Cross multiply
    226,430.49x = 339,626.13 × 76,667.46
  4. Step 4: Simplify right side
    226,430.49x = 26,038,272,736.73
  5. Step 5: Solve for x
    x = 26,038,272,736.73/226,430.49
  6. Step 6: Final answer
    x = 114,994.55

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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.