Finding the Fourth Proportional to 198,949.11, 298,424.07 and 163,814.96
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Solution
The fourth proportional to 198,949.11, 298,424.07 and 163,814.96 is: 245,722.77
Step by Step Solution
- Step 1: Write the proportion equation
198,949.11 : 298,424.07 = 163,814.96 : x - Step 2: Convert to fraction form
198,949.11/298,424.07 = 163,814.96/x - Step 3: Cross multiply
198,949.11x = 298,424.07 × 163,814.96 - Step 4: Simplify right side
198,949.11x = 48,886,325,597.97 - Step 5: Solve for x
x = 48,886,325,597.97/198,949.11 - Step 6: Final answer
x = 245,722.77
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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.