Finding the Fourth Proportional to 222,164.81, 306,586.17 and 120,189.99
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Solution
The fourth proportional to 222,164.81, 306,586.17 and 120,189.99 is: 165,861.50
Step by Step Solution
- Step 1: Write the proportion equation
222,164.81 : 306,586.17 = 120,189.99 : x - Step 2: Convert to fraction form
222,164.81/306,586.17 = 120,189.99/x - Step 3: Cross multiply
222,164.81x = 306,586.17 × 120,189.99 - Step 4: Simplify right side
222,164.81x = 36,848,588,706.44 - Step 5: Solve for x
x = 36,848,588,706.44/222,164.81 - Step 6: Final answer
x = 165,861.50
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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.