Finding the Fourth Proportional to 303,668.80, 455,211.60 and 236,163.40
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Solution
The fourth proportional to 303,668.80, 455,211.60 and 236,163.40 is: 354,018.32
Step by Step Solution
- Step 1: Write the proportion equation
303,668.80 : 455,211.60 = 236,163.40 : x - Step 2: Convert to fraction form
303,668.80/455,211.60 = 236,163.40/x - Step 3: Cross multiply
303,668.80x = 455,211.60 × 236,163.40 - Step 4: Simplify right side
303,668.80x = 107,504,319,175.44 - Step 5: Solve for x
x = 107,504,319,175.44/303,668.80 - Step 6: Final answer
x = 354,018.32
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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.