Finding the Fourth Proportional to 222,299.80, 306,689.99 and 145,861.09
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Solution
The fourth proportional to 222,299.80, 306,689.99 and 145,861.09 is: 201,233.36
Step by Step Solution
- Step 1: Write the proportion equation
222,299.80 : 306,689.99 = 145,861.09 : x - Step 2: Convert to fraction form
222,299.80/306,689.99 = 145,861.09/x - Step 3: Cross multiply
222,299.80x = 306,689.99 × 145,861.09 - Step 4: Simplify right side
222,299.80x = 44,734,136,233.49 - Step 5: Solve for x
x = 44,734,136,233.49/222,299.80 - Step 6: Final answer
x = 201,233.36
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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.