Finding the Fourth Proportional to 222,371.36, 306,868.73 and 120,395.99
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Solution
The fourth proportional to 222,371.36, 306,868.73 and 120,395.99 is: 166,144.45
Step by Step Solution
- Step 1: Write the proportion equation
222,371.36 : 306,868.73 = 120,395.99 : x - Step 2: Convert to fraction form
222,371.36/306,868.73 = 120,395.99/x - Step 3: Cross multiply
222,371.36x = 306,868.73 × 120,395.99 - Step 4: Simplify right side
222,371.36x = 36,945,765,616.55 - Step 5: Solve for x
x = 36,945,765,616.55/222,371.36 - Step 6: Final answer
x = 166,144.45
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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.