Finding the Fourth Proportional to 198,879.12, 298,318.68 and 163,744.97
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Solution
The fourth proportional to 198,879.12, 298,318.68 and 163,744.97 is: 245,617.46
Step by Step Solution
- Step 1: Write the proportion equation
198,879.12 : 298,318.68 = 163,744.97 : x - Step 2: Convert to fraction form
198,879.12/298,318.68 = 163,744.97/x - Step 3: Cross multiply
198,879.12x = 298,318.68 × 163,744.97 - Step 4: Simplify right side
198,879.12x = 48,848,183,307.04 - Step 5: Solve for x
x = 48,848,183,307.04/198,879.12 - Step 6: Final answer
x = 245,617.46
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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.