Finding the Fourth Proportional to 222,160.83, 306,580.67 and 120,185.99
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Solution
The fourth proportional to 222,160.83, 306,580.67 and 120,185.99 is: 165,855.97
Step by Step Solution
- Step 1: Write the proportion equation
222,160.83 : 306,580.67 = 120,185.99 : x - Step 2: Convert to fraction form
222,160.83/306,580.67 = 120,185.99/x - Step 3: Cross multiply
222,160.83x = 306,580.67 × 120,185.99 - Step 4: Simplify right side
222,160.83x = 36,846,700,281.12 - Step 5: Solve for x
x = 36,846,700,281.12/222,160.83 - Step 6: Final answer
x = 165,855.97
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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.