Finding the Fourth Proportional to 207,249.73, 286,015.13 and 122,364.97
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Solution
The fourth proportional to 207,249.73, 286,015.13 and 122,364.97 is: 168,869.86
Step by Step Solution
- Step 1: Write the proportion equation
207,249.73 : 286,015.13 = 122,364.97 : x - Step 2: Convert to fraction form
207,249.73/286,015.13 = 122,364.97/x - Step 3: Cross multiply
207,249.73x = 286,015.13 × 122,364.97 - Step 4: Simplify right side
207,249.73x = 34,998,232,802.00 - Step 5: Solve for x
x = 34,998,232,802.00/207,249.73 - Step 6: Final answer
x = 168,869.86
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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.