Finding the Fourth Proportional to 196,865.40, 271,674.18 and 107,441.40
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Solution
The fourth proportional to 196,865.40, 271,674.18 and 107,441.40 is: 148,269.09
Step by Step Solution
- Step 1: Write the proportion equation
196,865.40 : 271,674.18 = 107,441.40 : x - Step 2: Convert to fraction form
196,865.40/271,674.18 = 107,441.40/x - Step 3: Cross multiply
196,865.40x = 271,674.18 × 107,441.40 - Step 4: Simplify right side
196,865.40x = 29,189,054,243.05 - Step 5: Solve for x
x = 29,189,054,243.05/196,865.40 - Step 6: Final answer
x = 148,269.09
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1.5x scale
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.