Finding the Fourth Proportional to 151,541.24, 227,377.41 and 81,338.54
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Solution
The fourth proportional to 151,541.24, 227,377.41 and 81,338.54 is: 122,042.99
Step by Step Solution
- Step 1: Write the proportion equation
151,541.24 : 227,377.41 = 81,338.54 : x - Step 2: Convert to fraction form
151,541.24/227,377.41 = 81,338.54/x - Step 3: Cross multiply
151,541.24x = 227,377.41 × 81,338.54 - Step 4: Simplify right side
151,541.24x = 18,494,546,558.38 - Step 5: Solve for x
x = 18,494,546,558.38/151,541.24 - Step 6: Final answer
x = 122,042.99
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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.