Home / 331,348.90-457,274.38-188,122.28

Finding the Fourth Proportional to 331,348.90, 457,274.38 and 188,122.28

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Solution

The fourth proportional to 331,348.90, 457,274.38 and 188,122.28 is: 259,616.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,348.90 : 457,274.38 = 188,122.28 : x
  2. Step 2: Convert to fraction form
    331,348.90/457,274.38 = 188,122.28/x
  3. Step 3: Cross multiply
    331,348.90x = 457,274.38 × 188,122.28
  4. Step 4: Simplify right side
    331,348.90x = 86,023,498,951.19
  5. Step 5: Solve for x
    x = 86,023,498,951.19/331,348.90
  6. Step 6: Final answer
    x = 259,616.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.