Home / 240,258.45-331,546.25-131,360.79

Finding the Fourth Proportional to 240,258.45, 331,546.25 and 131,360.79

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Solution

The fourth proportional to 240,258.45, 331,546.25 and 131,360.79 is: 181,272.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,258.45 : 331,546.25 = 131,360.79 : x
  2. Step 2: Convert to fraction form
    240,258.45/331,546.25 = 131,360.79/x
  3. Step 3: Cross multiply
    240,258.45x = 331,546.25 × 131,360.79
  4. Step 4: Simplify right side
    240,258.45x = 43,552,176,664.73
  5. Step 5: Solve for x
    x = 43,552,176,664.73/240,258.45
  6. Step 6: Final answer
    x = 181,272.20

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1.5x scale

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.