Home / 331,963.20-497,167.20-226,209.60

Finding the Fourth Proportional to 331,963.20, 497,167.20 and 226,209.60

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Solution

The fourth proportional to 331,963.20, 497,167.20 and 226,209.60 is: 338,784.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,963.20 : 497,167.20 = 226,209.60 : x
  2. Step 2: Convert to fraction form
    331,963.20/497,167.20 = 226,209.60/x
  3. Step 3: Cross multiply
    331,963.20x = 497,167.20 × 226,209.60
  4. Step 4: Simplify right side
    331,963.20x = 112,463,993,445.12
  5. Step 5: Solve for x
    x = 112,463,993,445.12/331,963.20
  6. Step 6: Final answer
    x = 338,784.52

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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.