Finding the Fourth Proportional to 222,331.05, 306,816.53 and 120,356.01
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Solution
The fourth proportional to 222,331.05, 306,816.53 and 120,356.01 is: 166,091.12
Step by Step Solution
- Step 1: Write the proportion equation
222,331.05 : 306,816.53 = 120,356.01 : x - Step 2: Convert to fraction form
222,331.05/306,816.53 = 120,356.01/x - Step 3: Cross multiply
222,331.05x = 306,816.53 × 120,356.01 - Step 4: Simplify right side
222,331.05x = 36,927,212,751.07 - Step 5: Solve for x
x = 36,927,212,751.07/222,331.05 - Step 6: Final answer
x = 166,091.12
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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.