Home / 257,539.02-386,229.42-178,087.44

Finding the Fourth Proportional to 257,539.02, 386,229.42 and 178,087.44

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Solution

The fourth proportional to 257,539.02, 386,229.42 and 178,087.44 is: 267,076.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,539.02 : 386,229.42 = 178,087.44 : x
  2. Step 2: Convert to fraction form
    257,539.02/386,229.42 = 178,087.44/x
  3. Step 3: Cross multiply
    257,539.02x = 386,229.42 × 178,087.44
  4. Step 4: Simplify right side
    257,539.02x = 68,782,608,660.48
  5. Step 5: Solve for x
    x = 68,782,608,660.48/257,539.02
  6. Step 6: Final answer
    x = 267,076.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.