Finding the Fourth Proportional to 396,512.33, 545,804.11 and 342,236.69
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Solution
The fourth proportional to 396,512.33, 545,804.11 and 342,236.69 is: 471,093.02
Step by Step Solution
- Step 1: Write the proportion equation
396,512.33 : 545,804.11 = 342,236.69 : x - Step 2: Convert to fraction form
396,512.33/545,804.11 = 342,236.69/x - Step 3: Cross multiply
396,512.33x = 545,804.11 × 342,236.69 - Step 4: Simplify right side
396,512.33x = 186,794,189,815.26 - Step 5: Solve for x
x = 186,794,189,815.26/396,512.33 - Step 6: Final answer
x = 471,093.02
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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.