Finding the Fourth Proportional to 248,616.88, 343,091.25 and 135,439.63
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Solution
The fourth proportional to 248,616.88, 343,091.25 and 135,439.63 is: 186,906.67
Step by Step Solution
- Step 1: Write the proportion equation
248,616.88 : 343,091.25 = 135,439.63 : x - Step 2: Convert to fraction form
248,616.88/343,091.25 = 135,439.63/x - Step 3: Cross multiply
248,616.88x = 343,091.25 × 135,439.63 - Step 4: Simplify right side
248,616.88x = 46,468,151,956.24 - Step 5: Solve for x
x = 46,468,151,956.24/248,616.88 - Step 6: Final answer
x = 186,906.67
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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.