Finding the Fourth Proportional to 203,991.36, 306,116.64 and 79,333.44
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Solution
The fourth proportional to 203,991.36, 306,116.64 and 79,333.44 is: 119,050.56
Step by Step Solution
- Step 1: Write the proportion equation
203,991.36 : 306,116.64 = 79,333.44 : x - Step 2: Convert to fraction form
203,991.36/306,116.64 = 79,333.44/x - Step 3: Cross multiply
203,991.36x = 306,116.64 × 79,333.44 - Step 4: Simplify right side
203,991.36x = 24,285,286,092.44 - Step 5: Solve for x
x = 24,285,286,092.44/203,991.36 - Step 6: Final answer
x = 119,050.56
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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.