Finding the Fourth Proportional to 192,812.24, 289,662.36 and 136,791.44
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Solution
The fourth proportional to 192,812.24, 289,662.36 and 136,791.44 is: 205,502.16
Step by Step Solution
- Step 1: Write the proportion equation
192,812.24 : 289,662.36 = 136,791.44 : x - Step 2: Convert to fraction form
192,812.24/289,662.36 = 136,791.44/x - Step 3: Cross multiply
192,812.24x = 289,662.36 × 136,791.44 - Step 4: Simplify right side
192,812.24x = 39,623,331,338.20 - Step 5: Solve for x
x = 39,623,331,338.20/192,812.24 - Step 6: Final answer
x = 205,502.16
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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.