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Finding the Fourth Proportional to 299,110.60, 448,665.90 and 121,744.90

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Solution

The fourth proportional to 299,110.60, 448,665.90 and 121,744.90 is: 182,617.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,110.60 : 448,665.90 = 121,744.90 : x
  2. Step 2: Convert to fraction form
    299,110.60/448,665.90 = 121,744.90/x
  3. Step 3: Cross multiply
    299,110.60x = 448,665.90 × 121,744.90
  4. Step 4: Simplify right side
    299,110.60x = 54,622,785,128.91
  5. Step 5: Solve for x
    x = 54,622,785,128.91/299,110.60
  6. Step 6: Final answer
    x = 182,617.35

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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.