Finding the Fourth Proportional to 248,375.64, 342,760.50 and 135,198.12
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Solution
The fourth proportional to 248,375.64, 342,760.50 and 135,198.12 is: 186,574.56
Step by Step Solution
- Step 1: Write the proportion equation
248,375.64 : 342,760.50 = 135,198.12 : x - Step 2: Convert to fraction form
248,375.64/342,760.50 = 135,198.12/x - Step 3: Cross multiply
248,375.64x = 342,760.50 × 135,198.12 - Step 4: Simplify right side
248,375.64x = 46,340,575,210.26 - Step 5: Solve for x
x = 46,340,575,210.26/248,375.64 - Step 6: Final answer
x = 186,574.56
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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.