Finding the Fourth Proportional to 248,339.52, 342,708.52 and 135,163.08
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Solution
The fourth proportional to 248,339.52, 342,708.52 and 135,163.08 is: 186,525.04
Step by Step Solution
- Step 1: Write the proportion equation
248,339.52 : 342,708.52 = 135,163.08 : x - Step 2: Convert to fraction form
248,339.52/342,708.52 = 135,163.08/x - Step 3: Cross multiply
248,339.52x = 342,708.52 × 135,163.08 - Step 4: Simplify right side
248,339.52x = 46,321,539,105.44 - Step 5: Solve for x
x = 46,321,539,105.44/248,339.52 - Step 6: Final answer
x = 186,525.04
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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.