Home / 331,557.53-497,414.06-131,889.29

Finding the Fourth Proportional to 331,557.53, 497,414.06 and 131,889.29

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Solution

The fourth proportional to 331,557.53, 497,414.06 and 131,889.29 is: 197,864.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,557.53 : 497,414.06 = 131,889.29 : x
  2. Step 2: Convert to fraction form
    331,557.53/497,414.06 = 131,889.29/x
  3. Step 3: Cross multiply
    331,557.53x = 497,414.06 × 131,889.29
  4. Step 4: Simplify right side
    331,557.53x = 65,603,584,062.90
  5. Step 5: Solve for x
    x = 65,603,584,062.90/331,557.53
  6. Step 6: Final answer
    x = 197,864.86

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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.