Home / 274,989.22-378,775.24-194,276.58

Finding the Fourth Proportional to 274,989.22, 378,775.24 and 194,276.58

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Solution

The fourth proportional to 274,989.22, 378,775.24 and 194,276.58 is: 267,600.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,989.22 : 378,775.24 = 194,276.58 : x
  2. Step 2: Convert to fraction form
    274,989.22/378,775.24 = 194,276.58/x
  3. Step 3: Cross multiply
    274,989.22x = 378,775.24 × 194,276.58
  4. Step 4: Simplify right side
    274,989.22x = 73,587,158,215.88
  5. Step 5: Solve for x
    x = 73,587,158,215.88/274,989.22
  6. Step 6: Final answer
    x = 267,600.16

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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.