Home / 299,581.60-448,789.20-166,223.20

Finding the Fourth Proportional to 299,581.60, 448,789.20 and 166,223.20

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Solution

The fourth proportional to 299,581.60, 448,789.20 and 166,223.20 is: 249,011.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,581.60 : 448,789.20 = 166,223.20 : x
  2. Step 2: Convert to fraction form
    299,581.60/448,789.20 = 166,223.20/x
  3. Step 3: Cross multiply
    299,581.60x = 448,789.20 × 166,223.20
  4. Step 4: Simplify right side
    299,581.60x = 74,599,176,949.44
  5. Step 5: Solve for x
    x = 74,599,176,949.44/299,581.60
  6. Step 6: Final answer
    x = 249,011.21

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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.