Finding the Fourth Proportional to 235,706.37, 325,268.54 and 128,274.09
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Solution
The fourth proportional to 235,706.37, 325,268.54 and 128,274.09 is: 177,014.85
Step by Step Solution
- Step 1: Write the proportion equation
235,706.37 : 325,268.54 = 128,274.09 : x - Step 2: Convert to fraction form
235,706.37/325,268.54 = 128,274.09/x - Step 3: Cross multiply
235,706.37x = 325,268.54 × 128,274.09 - Step 4: Simplify right side
235,706.37x = 41,723,527,145.21 - Step 5: Solve for x
x = 41,723,527,145.21/235,706.37 - Step 6: Final answer
x = 177,014.85
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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.