Finding the Fourth Proportional to 192,544.60, 288,958.82 and 91,342.98
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Solution
The fourth proportional to 192,544.60, 288,958.82 and 91,342.98 is: 137,081.80
Step by Step Solution
- Step 1: Write the proportion equation
192,544.60 : 288,958.82 = 91,342.98 : x - Step 2: Convert to fraction form
192,544.60/288,958.82 = 91,342.98/x - Step 3: Cross multiply
192,544.60x = 288,958.82 × 91,342.98 - Step 4: Simplify right side
192,544.60x = 26,394,359,716.08 - Step 5: Solve for x
x = 26,394,359,716.08/192,544.60 - Step 6: Final answer
x = 137,081.80
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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.