Home / 327,664.60-491,108.10-169,811.80

Finding the Fourth Proportional to 327,664.60, 491,108.10 and 169,811.80

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Solution

The fourth proportional to 327,664.60, 491,108.10 and 169,811.80 is: 254,516.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,664.60 : 491,108.10 = 169,811.80 : x
  2. Step 2: Convert to fraction form
    327,664.60/491,108.10 = 169,811.80/x
  3. Step 3: Cross multiply
    327,664.60x = 491,108.10 × 169,811.80
  4. Step 4: Simplify right side
    327,664.60x = 83,395,950,455.58
  5. Step 5: Solve for x
    x = 83,395,950,455.58/327,664.60
  6. Step 6: Final answer
    x = 254,516.20

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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.