Home / 296,906.76-445,273.05-83,660.49

Finding the Fourth Proportional to 296,906.76, 445,273.05 and 83,660.49

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Solution

The fourth proportional to 296,906.76, 445,273.05 and 83,660.49 is: 125,466.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,906.76 : 445,273.05 = 83,660.49 : x
  2. Step 2: Convert to fraction form
    296,906.76/445,273.05 = 83,660.49/x
  3. Step 3: Cross multiply
    296,906.76x = 445,273.05 × 83,660.49
  4. Step 4: Simplify right side
    296,906.76x = 37,251,761,546.79
  5. Step 5: Solve for x
    x = 37,251,761,546.79/296,906.76
  6. Step 6: Final answer
    x = 125,466.20

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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.