Finding the Fourth Proportional to 190,299.53, 262,611.13 and 103,082.99
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Solution
The fourth proportional to 190,299.53, 262,611.13 and 103,082.99 is: 142,253.32
Step by Step Solution
- Step 1: Write the proportion equation
190,299.53 : 262,611.13 = 103,082.99 : x - Step 2: Convert to fraction form
190,299.53/262,611.13 = 103,082.99/x - Step 3: Cross multiply
190,299.53x = 262,611.13 × 103,082.99 - Step 4: Simplify right side
190,299.53x = 27,070,738,659.21 - Step 5: Solve for x
x = 27,070,738,659.21/190,299.53 - Step 6: Final answer
x = 142,253.32
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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.