Finding the Fourth Proportional to 236,163.78, 325,893.69 and 134,175.09
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Solution
The fourth proportional to 236,163.78, 325,893.69 and 134,175.09 is: 185,154.62
Step by Step Solution
- Step 1: Write the proportion equation
236,163.78 : 325,893.69 = 134,175.09 : x - Step 2: Convert to fraction form
236,163.78/325,893.69 = 134,175.09/x - Step 3: Cross multiply
236,163.78x = 325,893.69 × 134,175.09 - Step 4: Simplify right side
236,163.78x = 43,726,815,186.18 - Step 5: Solve for x
x = 43,726,815,186.18/236,163.78 - Step 6: Final answer
x = 185,154.62
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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.