Finding the Fourth Proportional to 192,891.43, 266,192.09 and 106,852.96
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Solution
The fourth proportional to 192,891.43, 266,192.09 and 106,852.96 is: 147,458.15
Step by Step Solution
- Step 1: Write the proportion equation
192,891.43 : 266,192.09 = 106,852.96 : x - Step 2: Convert to fraction form
192,891.43/266,192.09 = 106,852.96/x - Step 3: Cross multiply
192,891.43x = 266,192.09 × 106,852.96 - Step 4: Simplify right side
192,891.43x = 28,443,412,745.09 - Step 5: Solve for x
x = 28,443,412,745.09/192,891.43 - Step 6: Final answer
x = 147,458.15
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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.