Finding the Fourth Proportional to 222,372.23, 306,869.99 and 120,396.87
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Solution
The fourth proportional to 222,372.23, 306,869.99 and 120,396.87 is: 166,145.69
Step by Step Solution
- Step 1: Write the proportion equation
222,372.23 : 306,869.99 = 120,396.87 : x - Step 2: Convert to fraction form
222,372.23/306,869.99 = 120,396.87/x - Step 3: Cross multiply
222,372.23x = 306,869.99 × 120,396.87 - Step 4: Simplify right side
222,372.23x = 36,946,185,690.95 - Step 5: Solve for x
x = 36,946,185,690.95/222,372.23 - Step 6: Final answer
x = 166,145.69
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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.