Finding the Fourth Proportional to 248,976.62, 343,591.84 and 135,799.38
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Solution
The fourth proportional to 248,976.62, 343,591.84 and 135,799.38 is: 187,405.38
Step by Step Solution
- Step 1: Write the proportion equation
248,976.62 : 343,591.84 = 135,799.38 : x - Step 2: Convert to fraction form
248,976.62/343,591.84 = 135,799.38/x - Step 3: Cross multiply
248,976.62x = 343,591.84 × 135,799.38 - Step 4: Simplify right side
248,976.62x = 46,659,558,845.06 - Step 5: Solve for x
x = 46,659,558,845.06/248,976.62 - Step 6: Final answer
x = 187,405.38
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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.