Finding the Fourth Proportional to 248,586.92, 343,048.20 and 135,409.67
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Solution
The fourth proportional to 248,586.92, 343,048.20 and 135,409.67 is: 186,864.39
Step by Step Solution
- Step 1: Write the proportion equation
248,586.92 : 343,048.20 = 135,409.67 : x - Step 2: Convert to fraction form
248,586.92/343,048.20 = 135,409.67/x - Step 3: Cross multiply
248,586.92x = 343,048.20 × 135,409.67 - Step 4: Simplify right side
248,586.92x = 46,452,043,556.09 - Step 5: Solve for x
x = 46,452,043,556.09/248,586.92 - Step 6: Final answer
x = 186,864.39
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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.