Finding the Fourth Proportional to 235,126.26, 324,286.65 and 154,636.43
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Solution
The fourth proportional to 235,126.26, 324,286.65 and 154,636.43 is: 213,274.89
Step by Step Solution
- Step 1: Write the proportion equation
235,126.26 : 324,286.65 = 154,636.43 : x - Step 2: Convert to fraction form
235,126.26/324,286.65 = 154,636.43/x - Step 3: Cross multiply
235,126.26x = 324,286.65 × 154,636.43 - Step 4: Simplify right side
235,126.26x = 50,146,528,231.23 - Step 5: Solve for x
x = 50,146,528,231.23/235,126.26 - Step 6: Final answer
x = 213,274.89
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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.