Home / 218,174.72-300,738.02-199,869.53

Finding the Fourth Proportional to 218,174.72, 300,738.02 and 199,869.53

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Solution

The fourth proportional to 218,174.72, 300,738.02 and 199,869.53 is: 275,505.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,174.72 : 300,738.02 = 199,869.53 : x
  2. Step 2: Convert to fraction form
    218,174.72/300,738.02 = 199,869.53/x
  3. Step 3: Cross multiply
    218,174.72x = 300,738.02 × 199,869.53
  4. Step 4: Simplify right side
    218,174.72x = 60,108,364,207.49
  5. Step 5: Solve for x
    x = 60,108,364,207.49/218,174.72
  6. Step 6: Final answer
    x = 275,505.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.