Finding the Fourth Proportional to 192,960.24, 266,277.42 and 108,072.96
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Solution
The fourth proportional to 192,960.24, 266,277.42 and 108,072.96 is: 149,136.37
Step by Step Solution
- Step 1: Write the proportion equation
192,960.24 : 266,277.42 = 108,072.96 : x - Step 2: Convert to fraction form
192,960.24/266,277.42 = 108,072.96/x - Step 3: Cross multiply
192,960.24x = 266,277.42 × 108,072.96 - Step 4: Simplify right side
192,960.24x = 28,777,388,960.56 - Step 5: Solve for x
x = 28,777,388,960.56/192,960.24 - Step 6: Final answer
x = 149,136.37
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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.