Finding the Fourth Proportional to 298,850.75, 412,414.18 and 169,789.44
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Solution
The fourth proportional to 298,850.75, 412,414.18 and 169,789.44 is: 234,309.51
Step by Step Solution
- Step 1: Write the proportion equation
298,850.75 : 412,414.18 = 169,789.44 : x - Step 2: Convert to fraction form
298,850.75/412,414.18 = 169,789.44/x - Step 3: Cross multiply
298,850.75x = 412,414.18 × 169,789.44 - Step 4: Simplify right side
298,850.75x = 70,023,571,821.31 - Step 5: Solve for x
x = 70,023,571,821.31/298,850.75 - Step 6: Final answer
x = 234,309.51
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.