Finding the Fourth Proportional to 192,161.09, 288,416.54 and 102,279.26
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Solution
The fourth proportional to 192,161.09, 288,416.54 and 102,279.26 is: 153,511.98
Step by Step Solution
- Step 1: Write the proportion equation
192,161.09 : 288,416.54 = 102,279.26 : x - Step 2: Convert to fraction form
192,161.09/288,416.54 = 102,279.26/x - Step 3: Cross multiply
192,161.09x = 288,416.54 × 102,279.26 - Step 4: Simplify right side
192,161.09x = 29,499,030,282.96 - Step 5: Solve for x
x = 29,499,030,282.96/192,161.09 - Step 6: Final answer
x = 153,511.98
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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.