Home / 198,349.92-298,040.04-185,391.54

Finding the Fourth Proportional to 198,349.92, 298,040.04 and 185,391.54

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Solution

The fourth proportional to 198,349.92, 298,040.04 and 185,391.54 is: 278,568.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,349.92 : 298,040.04 = 185,391.54 : x
  2. Step 2: Convert to fraction form
    198,349.92/298,040.04 = 185,391.54/x
  3. Step 3: Cross multiply
    198,349.92x = 298,040.04 × 185,391.54
  4. Step 4: Simplify right side
    198,349.92x = 55,254,101,997.26
  5. Step 5: Solve for x
    x = 55,254,101,997.26/198,349.92
  6. Step 6: Final answer
    x = 278,568.81

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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.