Finding the Fourth Proportional to 220,194.16, 303,886.72 and 124,717.84
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Solution
The fourth proportional to 220,194.16, 303,886.72 and 124,717.84 is: 172,121.26
Step by Step Solution
- Step 1: Write the proportion equation
220,194.16 : 303,886.72 = 124,717.84 : x - Step 2: Convert to fraction form
220,194.16/303,886.72 = 124,717.84/x - Step 3: Cross multiply
220,194.16x = 303,886.72 × 124,717.84 - Step 4: Simplify right side
220,194.16x = 37,900,095,323.08 - Step 5: Solve for x
x = 37,900,095,323.08/220,194.16 - Step 6: Final answer
x = 172,121.26
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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.