Finding the Fourth Proportional to 248,634.09, 343,117.62 and 135,456.84
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Solution
The fourth proportional to 248,634.09, 343,117.62 and 135,456.84 is: 186,931.84
Step by Step Solution
- Step 1: Write the proportion equation
248,634.09 : 343,117.62 = 135,456.84 : x - Step 2: Convert to fraction form
248,634.09/343,117.62 = 135,456.84/x - Step 3: Cross multiply
248,634.09x = 343,117.62 × 135,456.84 - Step 4: Simplify right side
248,634.09x = 46,477,628,553.52 - Step 5: Solve for x
x = 46,477,628,553.52/248,634.09 - Step 6: Final answer
x = 186,931.84
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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.