Home / 331,261.32-496,971.22-106,642.74

Finding the Fourth Proportional to 331,261.32, 496,971.22 and 106,642.74

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Solution

The fourth proportional to 331,261.32, 496,971.22 and 106,642.74 is: 159,989.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,261.32 : 496,971.22 = 106,642.74 : x
  2. Step 2: Convert to fraction form
    331,261.32/496,971.22 = 106,642.74/x
  3. Step 3: Cross multiply
    331,261.32x = 496,971.22 × 106,642.74
  4. Step 4: Simplify right side
    331,261.32x = 52,998,372,601.94
  5. Step 5: Solve for x
    x = 52,998,372,601.94/331,261.32
  6. Step 6: Final answer
    x = 159,989.62

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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.