Home / 299,257.20-448,906.05-121,767.30

Finding the Fourth Proportional to 299,257.20, 448,906.05 and 121,767.30

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Solution

The fourth proportional to 299,257.20, 448,906.05 and 121,767.30 is: 182,659.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,257.20 : 448,906.05 = 121,767.30 : x
  2. Step 2: Convert to fraction form
    299,257.20/448,906.05 = 121,767.30/x
  3. Step 3: Cross multiply
    299,257.20x = 448,906.05 × 121,767.30
  4. Step 4: Simplify right side
    299,257.20x = 54,662,077,662.17
  5. Step 5: Solve for x
    x = 54,662,077,662.17/299,257.20
  6. Step 6: Final answer
    x = 182,659.19

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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.