Home / 331,001.43-496,366.06-131,294.31

Finding the Fourth Proportional to 331,001.43, 496,366.06 and 131,294.31

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Solution

The fourth proportional to 331,001.43, 496,366.06 and 131,294.31 is: 196,887.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,001.43 : 496,366.06 = 131,294.31 : x
  2. Step 2: Convert to fraction form
    331,001.43/496,366.06 = 131,294.31/x
  3. Step 3: Cross multiply
    331,001.43x = 496,366.06 × 131,294.31
  4. Step 4: Simplify right side
    331,001.43x = 65,170,039,355.12
  5. Step 5: Solve for x
    x = 65,170,039,355.12/331,001.43
  6. Step 6: Final answer
    x = 196,887.49

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1.5x scale

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.