Finding the Fourth Proportional to 198,624.96, 274,088.16 and 113,739.84
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Solution
The fourth proportional to 198,624.96, 274,088.16 and 113,739.84 is: 156,952.80
Step by Step Solution
- Step 1: Write the proportion equation
198,624.96 : 274,088.16 = 113,739.84 : x - Step 2: Convert to fraction form
198,624.96/274,088.16 = 113,739.84/x - Step 3: Cross multiply
198,624.96x = 274,088.16 × 113,739.84 - Step 4: Simplify right side
198,624.96x = 31,174,743,464.29 - Step 5: Solve for x
x = 31,174,743,464.29/198,624.96 - Step 6: Final answer
x = 156,952.80
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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.