Finding the Fourth Proportional to 222,237.76, 306,685.75 and 120,260.98
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Solution
The fourth proportional to 222,237.76, 306,685.75 and 120,260.98 is: 165,958.88
Step by Step Solution
- Step 1: Write the proportion equation
222,237.76 : 306,685.75 = 120,260.98 : x - Step 2: Convert to fraction form
222,237.76/306,685.75 = 120,260.98/x - Step 3: Cross multiply
222,237.76x = 306,685.75 × 120,260.98 - Step 4: Simplify right side
222,237.76x = 36,882,328,847.04 - Step 5: Solve for x
x = 36,882,328,847.04/222,237.76 - Step 6: Final answer
x = 165,958.88
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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.