Finding the Fourth Proportional to 248,613.40, 343,086.02 and 135,436.12
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Solution
The fourth proportional to 248,613.40, 343,086.02 and 135,436.12 is: 186,901.59
Step by Step Solution
- Step 1: Write the proportion equation
248,613.40 : 343,086.02 = 135,436.12 : x - Step 2: Convert to fraction form
248,613.40/343,086.02 = 135,436.12/x - Step 3: Cross multiply
248,613.40x = 343,086.02 × 135,436.12 - Step 4: Simplify right side
248,613.40x = 46,466,239,375.04 - Step 5: Solve for x
x = 46,466,239,375.04/248,613.40 - Step 6: Final answer
x = 186,901.59
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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.