Finding the Fourth Proportional to 303,911.68, 419,377.26 and 167,944.38
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Solution
The fourth proportional to 303,911.68, 419,377.26 and 167,944.38 is: 231,751.72
Step by Step Solution
- Step 1: Write the proportion equation
303,911.68 : 419,377.26 = 167,944.38 : x - Step 2: Convert to fraction form
303,911.68/419,377.26 = 167,944.38/x - Step 3: Cross multiply
303,911.68x = 419,377.26 × 167,944.38 - Step 4: Simplify right side
303,911.68x = 70,432,053,916.80 - Step 5: Solve for x
x = 70,432,053,916.80/303,911.68 - Step 6: Final answer
x = 231,751.72
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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.