Finding the Fourth Proportional to 192,621.09, 265,802.67 and 107,721.75
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Solution
The fourth proportional to 192,621.09, 265,802.67 and 107,721.75 is: 148,647.94
Step by Step Solution
- Step 1: Write the proportion equation
192,621.09 : 265,802.67 = 107,721.75 : x - Step 2: Convert to fraction form
192,621.09/265,802.67 = 107,721.75/x - Step 3: Cross multiply
192,621.09x = 265,802.67 × 107,721.75 - Step 4: Simplify right side
192,621.09x = 28,632,728,767.07 - Step 5: Solve for x
x = 28,632,728,767.07/192,621.09 - Step 6: Final answer
x = 148,647.94
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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.