Finding the Fourth Proportional to 121.99, 182.94 and 49.84
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Solution
The fourth proportional to 121.99, 182.94 and 49.84 is: 74.74
Step by Step Solution
- Step 1: Write the proportion equation
121.99 : 182.94 = 49.84 : x - Step 2: Convert to fraction form
121.99/182.94 = 49.84/x - Step 3: Cross multiply
121.99x = 182.94 × 49.84 - Step 4: Simplify right side
121.99x = 9,117.73 - Step 5: Solve for x
x = 9,117.73/121.99 - Step 6: Final answer
x = 74.74
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.