Finding the Fourth Proportional to 226,410.81, 339,467.18 and 126,718.17
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Solution
The fourth proportional to 226,410.81, 339,467.18 and 126,718.17 is: 189,993.84
Step by Step Solution
- Step 1: Write the proportion equation
226,410.81 : 339,467.18 = 126,718.17 : x - Step 2: Convert to fraction form
226,410.81/339,467.18 = 126,718.17/x - Step 3: Cross multiply
226,410.81x = 339,467.18 × 126,718.17 - Step 4: Simplify right side
226,410.81x = 43,016,659,191.07 - Step 5: Solve for x
x = 43,016,659,191.07/226,410.81 - Step 6: Final answer
x = 189,993.84
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.