Home / 276,954.12-382,196.88-149,629.68

Finding the Fourth Proportional to 276,954.12, 382,196.88 and 149,629.68

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Solution

The fourth proportional to 276,954.12, 382,196.88 and 149,629.68 is: 206,489.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,954.12 : 382,196.88 = 149,629.68 : x
  2. Step 2: Convert to fraction form
    276,954.12/382,196.88 = 149,629.68/x
  3. Step 3: Cross multiply
    276,954.12x = 382,196.88 × 149,629.68
  4. Step 4: Simplify right side
    276,954.12x = 57,187,996,851.40
  5. Step 5: Solve for x
    x = 57,187,996,851.40/276,954.12
  6. Step 6: Final answer
    x = 206,489.06

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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.