Finding the Fourth Proportional to 202,115.80, 303,173.70 and 68,951.80
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Solution
The fourth proportional to 202,115.80, 303,173.70 and 68,951.80 is: 103,427.70
Step by Step Solution
- Step 1: Write the proportion equation
202,115.80 : 303,173.70 = 68,951.80 : x - Step 2: Convert to fraction form
202,115.80/303,173.70 = 68,951.80/x - Step 3: Cross multiply
202,115.80x = 303,173.70 × 68,951.80 - Step 4: Simplify right side
202,115.80x = 20,904,372,327.66 - Step 5: Solve for x
x = 20,904,372,327.66/202,115.80 - Step 6: Final answer
x = 103,427.70
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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.