Home / 327,989.16-492,139.26-195,131.88

Finding the Fourth Proportional to 327,989.16, 492,139.26 and 195,131.88

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Solution

The fourth proportional to 327,989.16, 492,139.26 and 195,131.88 is: 292,790.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,989.16 : 492,139.26 = 195,131.88 : x
  2. Step 2: Convert to fraction form
    327,989.16/492,139.26 = 195,131.88/x
  3. Step 3: Cross multiply
    327,989.16x = 492,139.26 × 195,131.88
  4. Step 4: Simplify right side
    327,989.16x = 96,032,059,025.61
  5. Step 5: Solve for x
    x = 96,032,059,025.61/327,989.16
  6. Step 6: Final answer
    x = 292,790.34

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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.