Finding the Fourth Proportional to 202,220.70, 303,331.05 and 199,110.30
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Solution
The fourth proportional to 202,220.70, 303,331.05 and 199,110.30 is: 298,665.45
Step by Step Solution
- Step 1: Write the proportion equation
202,220.70 : 303,331.05 = 199,110.30 : x - Step 2: Convert to fraction form
202,220.70/303,331.05 = 199,110.30/x - Step 3: Cross multiply
202,220.70x = 303,331.05 × 199,110.30 - Step 4: Simplify right side
202,220.70x = 60,396,336,364.82 - Step 5: Solve for x
x = 60,396,336,364.82/202,220.70 - Step 6: Final answer
x = 298,665.45
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Double scale
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Similar ratio
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1.5x scale
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.