Home / 331,884.60-497,769.30-121,414.20

Finding the Fourth Proportional to 331,884.60, 497,769.30 and 121,414.20

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Solution

The fourth proportional to 331,884.60, 497,769.30 and 121,414.20 is: 182,100.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,884.60 : 497,769.30 = 121,414.20 : x
  2. Step 2: Convert to fraction form
    331,884.60/497,769.30 = 121,414.20/x
  3. Step 3: Cross multiply
    331,884.60x = 497,769.30 × 121,414.20
  4. Step 4: Simplify right side
    331,884.60x = 60,436,261,344.06
  5. Step 5: Solve for x
    x = 60,436,261,344.06/331,884.60
  6. Step 6: Final answer
    x = 182,100.23

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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.