Finding the Fourth Proportional to 221,797.62, 306,096.66 and 126,310.44
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Solution
The fourth proportional to 221,797.62, 306,096.66 and 126,310.44 is: 174,317.49
Step by Step Solution
- Step 1: Write the proportion equation
221,797.62 : 306,096.66 = 126,310.44 : x - Step 2: Convert to fraction form
221,797.62/306,096.66 = 126,310.44/x - Step 3: Cross multiply
221,797.62x = 306,096.66 × 126,310.44 - Step 4: Simplify right side
221,797.62x = 38,663,203,807.13 - Step 5: Solve for x
x = 38,663,203,807.13/221,797.62 - Step 6: Final answer
x = 174,317.49
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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.