Finding the Fourth Proportional to 222,161.81, 306,582.03 and 120,186.99
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Solution
The fourth proportional to 222,161.81, 306,582.03 and 120,186.99 is: 165,857.36
Step by Step Solution
- Step 1: Write the proportion equation
222,161.81 : 306,582.03 = 120,186.99 : x - Step 2: Convert to fraction form
222,161.81/306,582.03 = 120,186.99/x - Step 3: Cross multiply
222,161.81x = 306,582.03 × 120,186.99 - Step 4: Simplify right side
222,161.81x = 36,847,171,373.79 - Step 5: Solve for x
x = 36,847,171,373.79/222,161.81 - Step 6: Final answer
x = 165,857.36
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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.