Home / 331,821.56-497,734.27-82,503.56

Finding the Fourth Proportional to 331,821.56, 497,734.27 and 82,503.56

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Solution

The fourth proportional to 331,821.56, 497,734.27 and 82,503.56 is: 123,755.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,821.56 : 497,734.27 = 82,503.56 : x
  2. Step 2: Convert to fraction form
    331,821.56/497,734.27 = 82,503.56/x
  3. Step 3: Cross multiply
    331,821.56x = 497,734.27 × 82,503.56
  4. Step 4: Simplify right side
    331,821.56x = 41,064,850,247.08
  5. Step 5: Solve for x
    x = 41,064,850,247.08/331,821.56
  6. Step 6: Final answer
    x = 123,755.82

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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.