Finding the Fourth Proportional to 274,351.23, 378,639.45 and 166,914.84
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Solution
The fourth proportional to 274,351.23, 378,639.45 and 166,914.84 is: 230,363.62
Step by Step Solution
- Step 1: Write the proportion equation
274,351.23 : 378,639.45 = 166,914.84 : x - Step 2: Convert to fraction form
274,351.23/378,639.45 = 166,914.84/x - Step 3: Cross multiply
274,351.23x = 378,639.45 × 166,914.84 - Step 4: Simplify right side
274,351.23x = 63,200,543,214.44 - Step 5: Solve for x
x = 63,200,543,214.44/274,351.23 - Step 6: Final answer
x = 230,363.62
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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.