Finding the Fourth Proportional to 220,192.43, 303,855.39 and 124,699.82
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Solution
The fourth proportional to 220,192.43, 303,855.39 and 124,699.82 is: 172,079.99
Step by Step Solution
- Step 1: Write the proportion equation
220,192.43 : 303,855.39 = 124,699.82 : x - Step 2: Convert to fraction form
220,192.43/303,855.39 = 124,699.82/x - Step 3: Cross multiply
220,192.43x = 303,855.39 × 124,699.82 - Step 4: Simplify right side
220,192.43x = 37,890,711,231.50 - Step 5: Solve for x
x = 37,890,711,231.50/220,192.43 - Step 6: Final answer
x = 172,079.99
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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.