Finding the Fourth Proportional to 250,119.99, 345,163.54 and 135,396.29
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Solution
The fourth proportional to 250,119.99, 345,163.54 and 135,396.29 is: 186,845.77
Step by Step Solution
- Step 1: Write the proportion equation
250,119.99 : 345,163.54 = 135,396.29 : x - Step 2: Convert to fraction form
250,119.99/345,163.54 = 135,396.29/x - Step 3: Cross multiply
250,119.99x = 345,163.54 × 135,396.29 - Step 4: Simplify right side
250,119.99x = 46,733,862,759.27 - Step 5: Solve for x
x = 46,733,862,759.27/250,119.99 - Step 6: Final answer
x = 186,845.77
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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.