Finding the Fourth Proportional to 262,147.49, 392,375.46 and 135,613.49
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Solution
The fourth proportional to 262,147.49, 392,375.46 and 135,613.49 is: 202,982.70
Step by Step Solution
- Step 1: Write the proportion equation
262,147.49 : 392,375.46 = 135,613.49 : x - Step 2: Convert to fraction form
262,147.49/392,375.46 = 135,613.49/x - Step 3: Cross multiply
262,147.49x = 392,375.46 × 135,613.49 - Step 4: Simplify right side
262,147.49x = 53,211,403,559.08 - Step 5: Solve for x
x = 53,211,403,559.08/262,147.49 - Step 6: Final answer
x = 202,982.70
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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.