Home / 331,487.25-497,322.66-131,947.76

Finding the Fourth Proportional to 331,487.25, 497,322.66 and 131,947.76

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Solution

The fourth proportional to 331,487.25, 497,322.66 and 131,947.76 is: 197,958.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,487.25 : 497,322.66 = 131,947.76 : x
  2. Step 2: Convert to fraction form
    331,487.25/497,322.66 = 131,947.76/x
  3. Step 3: Cross multiply
    331,487.25x = 497,322.66 × 131,947.76
  4. Step 4: Simplify right side
    331,487.25x = 65,620,608,497.63
  5. Step 5: Solve for x
    x = 65,620,608,497.63/331,487.25
  6. Step 6: Final answer
    x = 197,958.17

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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.