Finding the Fourth Proportional to 220,640.29, 304,473.98 and 122,517.44
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Solution
The fourth proportional to 220,640.29, 304,473.98 and 122,517.44 is: 169,068.73
Step by Step Solution
- Step 1: Write the proportion equation
220,640.29 : 304,473.98 = 122,517.44 : x - Step 2: Convert to fraction form
220,640.29/304,473.98 = 122,517.44/x - Step 3: Cross multiply
220,640.29x = 304,473.98 × 122,517.44 - Step 4: Simplify right side
220,640.29x = 37,303,373,643.69 - Step 5: Solve for x
x = 37,303,373,643.69/220,640.29 - Step 6: Final answer
x = 169,068.73
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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.