Home / 485,093.30-727,749.03-148,105.76

Finding the Fourth Proportional to 485,093.30, 727,749.03 and 148,105.76

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Solution

The fourth proportional to 485,093.30, 727,749.03 and 148,105.76 is: 222,191.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,093.30 : 727,749.03 = 148,105.76 : x
  2. Step 2: Convert to fraction form
    485,093.30/727,749.03 = 148,105.76/x
  3. Step 3: Cross multiply
    485,093.30x = 727,749.03 × 148,105.76
  4. Step 4: Simplify right side
    485,093.30x = 107,783,823,177.41
  5. Step 5: Solve for x
    x = 107,783,823,177.41/485,093.30
  6. Step 6: Final answer
    x = 222,191.94

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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.