Finding the Fourth Proportional to 222,162.81, 306,583.41 and 120,187.99
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Solution
The fourth proportional to 222,162.81, 306,583.41 and 120,187.99 is: 165,858.74
Step by Step Solution
- Step 1: Write the proportion equation
222,162.81 : 306,583.41 = 120,187.99 : x - Step 2: Convert to fraction form
222,162.81/306,583.41 = 120,187.99/x - Step 3: Cross multiply
222,162.81x = 306,583.41 × 120,187.99 - Step 4: Simplify right side
222,162.81x = 36,847,643,815.25 - Step 5: Solve for x
x = 36,847,643,815.25/222,162.81 - Step 6: Final answer
x = 165,858.74
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.