Finding the Fourth Proportional to 218,116.82, 327,175.25 and 68,357.09
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Solution
The fourth proportional to 218,116.82, 327,175.25 and 68,357.09 is: 102,535.63
Step by Step Solution
- Step 1: Write the proportion equation
218,116.82 : 327,175.25 = 68,357.09 : x - Step 2: Convert to fraction form
218,116.82/327,175.25 = 68,357.09/x - Step 3: Cross multiply
218,116.82x = 327,175.25 × 68,357.09 - Step 4: Simplify right side
218,116.82x = 22,364,746,032.36 - Step 5: Solve for x
x = 22,364,746,032.36/218,116.82 - Step 6: Final answer
x = 102,535.63
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.