Finding the Fourth Proportional to 343,629.44, 474,207.60 and 192,729.68
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Solution
The fourth proportional to 343,629.44, 474,207.60 and 192,729.68 is: 265,966.38
Step by Step Solution
- Step 1: Write the proportion equation
343,629.44 : 474,207.60 = 192,729.68 : x - Step 2: Convert to fraction form
343,629.44/474,207.60 = 192,729.68/x - Step 3: Cross multiply
343,629.44x = 474,207.60 × 192,729.68 - Step 4: Simplify right side
343,629.44x = 91,393,879,001.57 - Step 5: Solve for x
x = 91,393,879,001.57/343,629.44 - Step 6: Final answer
x = 265,966.38
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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.