Home / 240,258.95-331,546.93-131,361.29

Finding the Fourth Proportional to 240,258.95, 331,546.93 and 131,361.29

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Solution

The fourth proportional to 240,258.95, 331,546.93 and 131,361.29 is: 181,272.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,258.95 : 331,546.93 = 131,361.29 : x
  2. Step 2: Convert to fraction form
    240,258.95/331,546.93 = 131,361.29/x
  3. Step 3: Cross multiply
    240,258.95x = 331,546.93 × 131,361.29
  4. Step 4: Simplify right side
    240,258.95x = 43,552,432,420.34
  5. Step 5: Solve for x
    x = 43,552,432,420.34/240,258.95
  6. Step 6: Final answer
    x = 181,272.88

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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.