Home / 239,977.44-331,064.28-144,429.84

Finding the Fourth Proportional to 239,977.44, 331,064.28 and 144,429.84

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Solution

The fourth proportional to 239,977.44, 331,064.28 and 144,429.84 is: 199,250.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,977.44 : 331,064.28 = 144,429.84 : x
  2. Step 2: Convert to fraction form
    239,977.44/331,064.28 = 144,429.84/x
  3. Step 3: Cross multiply
    239,977.44x = 331,064.28 × 144,429.84
  4. Step 4: Simplify right side
    239,977.44x = 47,815,560,990.12
  5. Step 5: Solve for x
    x = 47,815,560,990.12/239,977.44
  6. Step 6: Final answer
    x = 199,250.23

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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.