Finding the Fourth Proportional to 222,336.05, 306,823.42 and 120,361.01
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Solution
The fourth proportional to 222,336.05, 306,823.42 and 120,361.01 is: 166,098.02
Step by Step Solution
- Step 1: Write the proportion equation
222,336.05 : 306,823.42 = 120,361.01 : x - Step 2: Convert to fraction form
222,336.05/306,823.42 = 120,361.01/x - Step 3: Cross multiply
222,336.05x = 306,823.42 × 120,361.01 - Step 4: Simplify right side
222,336.05x = 36,929,576,722.85 - Step 5: Solve for x
x = 36,929,576,722.85/222,336.05 - Step 6: Final answer
x = 166,098.02
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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.