Home / 373,856.26-515,921.50-204,090.38

Finding the Fourth Proportional to 373,856.26, 515,921.50 and 204,090.38

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Solution

The fourth proportional to 373,856.26, 515,921.50 and 204,090.38 is: 281,644.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,856.26 : 515,921.50 = 204,090.38 : x
  2. Step 2: Convert to fraction form
    373,856.26/515,921.50 = 204,090.38/x
  3. Step 3: Cross multiply
    373,856.26x = 515,921.50 × 204,090.38
  4. Step 4: Simplify right side
    373,856.26x = 105,294,617,497.44
  5. Step 5: Solve for x
    x = 105,294,617,497.44/373,856.26
  6. Step 6: Final answer
    x = 281,644.66

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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.