Finding the Fourth Proportional to 248,724.09, 343,239.26 and 135,546.75
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Solution
The fourth proportional to 248,724.09, 343,239.26 and 135,546.75 is: 187,054.52
Step by Step Solution
- Step 1: Write the proportion equation
248,724.09 : 343,239.26 = 135,546.75 : x - Step 2: Convert to fraction form
248,724.09/343,239.26 = 135,546.75/x - Step 3: Cross multiply
248,724.09x = 343,239.26 × 135,546.75 - Step 4: Simplify right side
248,724.09x = 46,524,965,487.67 - Step 5: Solve for x
x = 46,524,965,487.67/248,724.09 - Step 6: Final answer
x = 187,054.52
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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.