Home / 299,765.70-449,576.55-173,132.10

Finding the Fourth Proportional to 299,765.70, 449,576.55 and 173,132.10

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Solution

The fourth proportional to 299,765.70, 449,576.55 and 173,132.10 is: 259,656.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,765.70 : 449,576.55 = 173,132.10 : x
  2. Step 2: Convert to fraction form
    299,765.70/449,576.55 = 173,132.10/x
  3. Step 3: Cross multiply
    299,765.70x = 449,576.55 × 173,132.10
  4. Step 4: Simplify right side
    299,765.70x = 77,836,132,212.26
  5. Step 5: Solve for x
    x = 77,836,132,212.26/299,765.70
  6. Step 6: Final answer
    x = 259,656.57

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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.