Finding the Fourth Proportional to 121.97, 182.99 and 49.83
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Solution
The fourth proportional to 121.97, 182.99 and 49.83 is: 74.76
Step by Step Solution
- Step 1: Write the proportion equation
121.97 : 182.99 = 49.83 : x - Step 2: Convert to fraction form
121.97/182.99 = 49.83/x - Step 3: Cross multiply
121.97x = 182.99 × 49.83 - Step 4: Simplify right side
121.97x = 9,118.14 - Step 5: Solve for x
x = 9,118.14/121.97 - Step 6: Final answer
x = 74.76
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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.