Home / 322,824.89-445,188.76-213,756.17

Finding the Fourth Proportional to 322,824.89, 445,188.76 and 213,756.17

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Solution

The fourth proportional to 322,824.89, 445,188.76 and 213,756.17 is: 294,778.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,824.89 : 445,188.76 = 213,756.17 : x
  2. Step 2: Convert to fraction form
    322,824.89/445,188.76 = 213,756.17/x
  3. Step 3: Cross multiply
    322,824.89x = 445,188.76 × 213,756.17
  4. Step 4: Simplify right side
    322,824.89x = 95,161,841,504.32
  5. Step 5: Solve for x
    x = 95,161,841,504.32/322,824.89
  6. Step 6: Final answer
    x = 294,778.51

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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.