Home / 373,198.37-515,013.75-203,432.49

Finding the Fourth Proportional to 373,198.37, 515,013.75 and 203,432.49

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Solution

The fourth proportional to 373,198.37, 515,013.75 and 203,432.49 is: 280,736.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,198.37 : 515,013.75 = 203,432.49 : x
  2. Step 2: Convert to fraction form
    373,198.37/515,013.75 = 203,432.49/x
  3. Step 3: Cross multiply
    373,198.37x = 515,013.75 × 203,432.49
  4. Step 4: Simplify right side
    373,198.37x = 104,770,529,546.74
  5. Step 5: Solve for x
    x = 104,770,529,546.74/373,198.37
  6. Step 6: Final answer
    x = 280,736.84

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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.