Finding the Fourth Proportional to 248,357.92, 342,732.18 and 135,180.68
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Solution
The fourth proportional to 248,357.92, 342,732.18 and 135,180.68 is: 186,548.39
Step by Step Solution
- Step 1: Write the proportion equation
248,357.92 : 342,732.18 = 135,180.68 : x - Step 2: Convert to fraction form
248,357.92/342,732.18 = 135,180.68/x - Step 3: Cross multiply
248,357.92x = 342,732.18 × 135,180.68 - Step 4: Simplify right side
248,357.92x = 46,330,769,150.28 - Step 5: Solve for x
x = 46,330,769,150.28/248,357.92 - Step 6: Final answer
x = 186,548.39
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1.5x scale
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.