Home / 331,112.70-456,921.99-187,869.69

Finding the Fourth Proportional to 331,112.70, 456,921.99 and 187,869.69

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Solution

The fourth proportional to 331,112.70, 456,921.99 and 187,869.69 is: 259,252.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,112.70 : 456,921.99 = 187,869.69 : x
  2. Step 2: Convert to fraction form
    331,112.70/456,921.99 = 187,869.69/x
  3. Step 3: Cross multiply
    331,112.70x = 456,921.99 × 187,869.69
  4. Step 4: Simplify right side
    331,112.70x = 85,841,792,615.48
  5. Step 5: Solve for x
    x = 85,841,792,615.48/331,112.70
  6. Step 6: Final answer
    x = 259,252.49

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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.