Home / 373,844.38-515,905.02-204,078.46

Finding the Fourth Proportional to 373,844.38, 515,905.02 and 204,078.46

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Solution

The fourth proportional to 373,844.38, 515,905.02 and 204,078.46 is: 281,628.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,844.38 : 515,905.02 = 204,078.46 : x
  2. Step 2: Convert to fraction form
    373,844.38/515,905.02 = 204,078.46/x
  3. Step 3: Cross multiply
    373,844.38x = 515,905.02 × 204,078.46
  4. Step 4: Simplify right side
    373,844.38x = 105,285,101,987.87
  5. Step 5: Solve for x
    x = 105,285,101,987.87/373,844.38
  6. Step 6: Final answer
    x = 281,628.15

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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.