Finding the Fourth Proportional to 202,187.23, 303,213.07 and 67,220.17
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Solution
The fourth proportional to 202,187.23, 303,213.07 and 67,220.17 is: 100,807.72
Step by Step Solution
- Step 1: Write the proportion equation
202,187.23 : 303,213.07 = 67,220.17 : x - Step 2: Convert to fraction form
202,187.23/303,213.07 = 67,220.17/x - Step 3: Cross multiply
202,187.23x = 303,213.07 × 67,220.17 - Step 4: Simplify right side
202,187.23x = 20,382,034,111.62 - Step 5: Solve for x
x = 20,382,034,111.62/202,187.23 - Step 6: Final answer
x = 100,807.72
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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.