Home / 331,324.20-497,115.90-120,983.40

Finding the Fourth Proportional to 331,324.20, 497,115.90 and 120,983.40

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Solution

The fourth proportional to 331,324.20, 497,115.90 and 120,983.40 is: 181,522.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,324.20 : 497,115.90 = 120,983.40 : x
  2. Step 2: Convert to fraction form
    331,324.20/497,115.90 = 120,983.40/x
  3. Step 3: Cross multiply
    331,324.20x = 497,115.90 × 120,983.40
  4. Step 4: Simplify right side
    331,324.20x = 60,142,771,776.06
  5. Step 5: Solve for x
    x = 60,142,771,776.06/331,324.20
  6. Step 6: Final answer
    x = 181,522.42

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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.