Finding the Fourth Proportional to 321,394.33, 482,096.35 and 121,661.09
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Solution
The fourth proportional to 321,394.33, 482,096.35 and 121,661.09 is: 182,493.47
Step by Step Solution
- Step 1: Write the proportion equation
321,394.33 : 482,096.35 = 121,661.09 : x - Step 2: Convert to fraction form
321,394.33/482,096.35 = 121,661.09/x - Step 3: Cross multiply
321,394.33x = 482,096.35 × 121,661.09 - Step 4: Simplify right side
321,394.33x = 58,652,365,015.54 - Step 5: Solve for x
x = 58,652,365,015.54/321,394.33 - Step 6: Final answer
x = 182,493.47
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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.