Finding the Fourth Proportional to 198,652.23, 274,139.84 and 108,007.97
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Solution
The fourth proportional to 198,652.23, 274,139.84 and 108,007.97 is: 149,050.86
Step by Step Solution
- Step 1: Write the proportion equation
198,652.23 : 274,139.84 = 108,007.97 : x - Step 2: Convert to fraction form
198,652.23/274,139.84 = 108,007.97/x - Step 3: Cross multiply
198,652.23x = 274,139.84 × 108,007.97 - Step 4: Simplify right side
198,652.23x = 29,609,286,513.85 - Step 5: Solve for x
x = 29,609,286,513.85/198,652.23 - Step 6: Final answer
x = 149,050.86
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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.