Finding the Fourth Proportional to 324,691.05, 447,783.52 and 203,843.60
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Solution
The fourth proportional to 324,691.05, 447,783.52 and 203,843.60 is: 281,122.02
Step by Step Solution
- Step 1: Write the proportion equation
324,691.05 : 447,783.52 = 203,843.60 : x - Step 2: Convert to fraction form
324,691.05/447,783.52 = 203,843.60/x - Step 3: Cross multiply
324,691.05x = 447,783.52 × 203,843.60 - Step 4: Simplify right side
324,691.05x = 91,277,804,737.47 - Step 5: Solve for x
x = 91,277,804,737.47/324,691.05 - Step 6: Final answer
x = 281,122.02
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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.