Finding the Fourth Proportional to 207,486.97, 286,329.13 and 116,843.99
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Solution
The fourth proportional to 207,486.97, 286,329.13 and 116,843.99 is: 161,243.07
Step by Step Solution
- Step 1: Write the proportion equation
207,486.97 : 286,329.13 = 116,843.99 : x - Step 2: Convert to fraction form
207,486.97/286,329.13 = 116,843.99/x - Step 3: Cross multiply
207,486.97x = 286,329.13 × 116,843.99 - Step 4: Simplify right side
207,486.97x = 33,455,836,278.67 - Step 5: Solve for x
x = 33,455,836,278.67/207,486.97 - Step 6: Final answer
x = 161,243.07
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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.