Finding the Fourth Proportional to 218,629.47, 327,203.50 and 134,442.95
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Solution
The fourth proportional to 218,629.47, 327,203.50 and 134,442.95 is: 201,208.94
Step by Step Solution
- Step 1: Write the proportion equation
218,629.47 : 327,203.50 = 134,442.95 : x - Step 2: Convert to fraction form
218,629.47/327,203.50 = 134,442.95/x - Step 3: Cross multiply
218,629.47x = 327,203.50 × 134,442.95 - Step 4: Simplify right side
218,629.47x = 43,990,204,272.23 - Step 5: Solve for x
x = 43,990,204,272.23/218,629.47 - Step 6: Final answer
x = 201,208.94
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.