Home / 198,939.23-298,399.26-49,178.93

Finding the Fourth Proportional to 198,939.23, 298,399.26 and 49,178.93

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Solution

The fourth proportional to 198,939.23, 298,399.26 and 49,178.93 is: 73,766.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,939.23 : 298,399.26 = 49,178.93 : x
  2. Step 2: Convert to fraction form
    198,939.23/298,399.26 = 49,178.93/x
  3. Step 3: Cross multiply
    198,939.23x = 298,399.26 × 49,178.93
  4. Step 4: Simplify right side
    198,939.23x = 14,674,954,827.60
  5. Step 5: Solve for x
    x = 14,674,954,827.60/198,939.23
  6. Step 6: Final answer
    x = 73,766.02

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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.