Finding the Fourth Proportional to 220,872.06, 304,796.75 and 122,754.96
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Solution
The fourth proportional to 220,872.06, 304,796.75 and 122,754.96 is: 169,398.12
Step by Step Solution
- Step 1: Write the proportion equation
220,872.06 : 304,796.75 = 122,754.96 : x - Step 2: Convert to fraction form
220,872.06/304,796.75 = 122,754.96/x - Step 3: Cross multiply
220,872.06x = 304,796.75 × 122,754.96 - Step 4: Simplify right side
220,872.06x = 37,415,312,240.61 - Step 5: Solve for x
x = 37,415,312,240.61/220,872.06 - Step 6: Final answer
x = 169,398.12
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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.