Home / 299,725.07-449,577.20-75,087.43

Finding the Fourth Proportional to 299,725.07, 449,577.20 and 75,087.43

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Solution

The fourth proportional to 299,725.07, 449,577.20 and 75,087.43 is: 112,628.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,725.07 : 449,577.20 = 75,087.43 : x
  2. Step 2: Convert to fraction form
    299,725.07/449,577.20 = 75,087.43/x
  3. Step 3: Cross multiply
    299,725.07x = 449,577.20 × 75,087.43
  4. Step 4: Simplify right side
    299,725.07x = 33,757,595,598.37
  5. Step 5: Solve for x
    x = 33,757,595,598.37/299,725.07
  6. Step 6: Final answer
    x = 112,628.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.