Finding the Fourth Proportional to 248,613.88, 343,087.11 and 135,436.63
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Solution
The fourth proportional to 248,613.88, 343,087.11 and 135,436.63 is: 186,902.53
Step by Step Solution
- Step 1: Write the proportion equation
248,613.88 : 343,087.11 = 135,436.63 : x - Step 2: Convert to fraction form
248,613.88/343,087.11 = 135,436.63/x - Step 3: Cross multiply
248,613.88x = 343,087.11 × 135,436.63 - Step 4: Simplify right side
248,613.88x = 46,466,561,974.84 - Step 5: Solve for x
x = 46,466,561,974.84/248,613.88 - Step 6: Final answer
x = 186,902.53
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1.5x scale
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.