Home / 198,938.80-299,497.26-181,520.56

Finding the Fourth Proportional to 198,938.80, 299,497.26 and 181,520.56

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Solution

The fourth proportional to 198,938.80, 299,497.26 and 181,520.56 is: 273,274.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,938.80 : 299,497.26 = 181,520.56 : x
  2. Step 2: Convert to fraction form
    198,938.80/299,497.26 = 181,520.56/x
  3. Step 3: Cross multiply
    198,938.80x = 299,497.26 × 181,520.56
  4. Step 4: Simplify right side
    198,938.80x = 54,364,910,353.67
  5. Step 5: Solve for x
    x = 54,364,910,353.67/198,938.80
  6. Step 6: Final answer
    x = 273,274.55

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.