Home / 299,579.10-448,785.45-166,220.70

Finding the Fourth Proportional to 299,579.10, 448,785.45 and 166,220.70

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Solution

The fourth proportional to 299,579.10, 448,785.45 and 166,220.70 is: 249,007.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,579.10 : 448,785.45 = 166,220.70 : x
  2. Step 2: Convert to fraction form
    299,579.10/448,785.45 = 166,220.70/x
  3. Step 3: Cross multiply
    299,579.10x = 448,785.45 × 166,220.70
  4. Step 4: Simplify right side
    299,579.10x = 74,597,431,648.82
  5. Step 5: Solve for x
    x = 74,597,431,648.82/299,579.10
  6. Step 6: Final answer
    x = 249,007.46

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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.