Finding the Fourth Proportional to 212,727.69, 293,578.08 and 122,112.99
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Solution
The fourth proportional to 212,727.69, 293,578.08 and 122,112.99 is: 168,523.89
Step by Step Solution
- Step 1: Write the proportion equation
212,727.69 : 293,578.08 = 122,112.99 : x - Step 2: Convert to fraction form
212,727.69/293,578.08 = 122,112.99/x - Step 3: Cross multiply
212,727.69x = 293,578.08 × 122,112.99 - Step 4: Simplify right side
212,727.69x = 35,849,697,147.26 - Step 5: Solve for x
x = 35,849,697,147.26/212,727.69 - Step 6: Final answer
x = 168,523.89
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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.