Home / 240,818.60-332,317.78-131,923.40

Finding the Fourth Proportional to 240,818.60, 332,317.78 and 131,923.40

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Solution

The fourth proportional to 240,818.60, 332,317.78 and 131,923.40 is: 182,047.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,818.60 : 332,317.78 = 131,923.40 : x
  2. Step 2: Convert to fraction form
    240,818.60/332,317.78 = 131,923.40/x
  3. Step 3: Cross multiply
    240,818.60x = 332,317.78 × 131,923.40
  4. Step 4: Simplify right side
    240,818.60x = 43,840,491,418.05
  5. Step 5: Solve for x
    x = 43,840,491,418.05/240,818.60
  6. Step 6: Final answer
    x = 182,047.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.