Finding the Fourth Proportional to 248,409.40, 342,804.88 and 135,232.12
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Solution
The fourth proportional to 248,409.40, 342,804.88 and 135,232.12 is: 186,620.28
Step by Step Solution
- Step 1: Write the proportion equation
248,409.40 : 342,804.88 = 135,232.12 : x - Step 2: Convert to fraction form
248,409.40/342,804.88 = 135,232.12/x - Step 3: Cross multiply
248,409.40x = 342,804.88 × 135,232.12 - Step 4: Simplify right side
248,409.40x = 46,358,230,668.75 - Step 5: Solve for x
x = 46,358,230,668.75/248,409.40 - Step 6: Final answer
x = 186,620.28
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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.