Finding the Fourth Proportional to 105,227.73, 157,836.83 and 38,662.99
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Solution
The fourth proportional to 105,227.73, 157,836.83 and 38,662.99 is: 57,992.73
Step by Step Solution
- Step 1: Write the proportion equation
105,227.73 : 157,836.83 = 38,662.99 : x - Step 2: Convert to fraction form
105,227.73/157,836.83 = 38,662.99/x - Step 3: Cross multiply
105,227.73x = 157,836.83 × 38,662.99 - Step 4: Simplify right side
105,227.73x = 6,102,443,192.01 - Step 5: Solve for x
x = 6,102,443,192.01/105,227.73 - Step 6: Final answer
x = 57,992.73
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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.