Finding the Fourth Proportional to 248,716.50, 343,231.20 and 135,541.68
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Solution
The fourth proportional to 248,716.50, 343,231.20 and 135,541.68 is: 187,048.84
Step by Step Solution
- Step 1: Write the proportion equation
248,716.50 : 343,231.20 = 135,541.68 : x - Step 2: Convert to fraction form
248,716.50/343,231.20 = 135,541.68/x - Step 3: Cross multiply
248,716.50x = 343,231.20 × 135,541.68 - Step 4: Simplify right side
248,716.50x = 46,522,133,476.42 - Step 5: Solve for x
x = 46,522,133,476.42/248,716.50 - Step 6: Final answer
x = 187,048.84
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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.