Finding the Fourth Proportional to 102,958.07, 154,536.97 and 49,687.54
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Solution
The fourth proportional to 102,958.07, 154,536.97 and 49,687.54 is: 74,579.50
Step by Step Solution
- Step 1: Write the proportion equation
102,958.07 : 154,536.97 = 49,687.54 : x - Step 2: Convert to fraction form
102,958.07/154,536.97 = 49,687.54/x - Step 3: Cross multiply
102,958.07x = 154,536.97 × 49,687.54 - Step 4: Simplify right side
102,958.07x = 7,678,561,367.79 - Step 5: Solve for x
x = 7,678,561,367.79/102,958.07 - Step 6: Final answer
x = 74,579.50
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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.