Finding the Fourth Proportional to 170,850.06, 256,129.29 and 120,772.62
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Solution
The fourth proportional to 170,850.06, 256,129.29 and 120,772.62 is: 181,055.87
Step by Step Solution
- Step 1: Write the proportion equation
170,850.06 : 256,129.29 = 120,772.62 : x - Step 2: Convert to fraction form
170,850.06/256,129.29 = 120,772.62/x - Step 3: Cross multiply
170,850.06x = 256,129.29 × 120,772.62 - Step 4: Simplify right side
170,850.06x = 30,933,405,412.04 - Step 5: Solve for x
x = 30,933,405,412.04/170,850.06 - Step 6: Final answer
x = 181,055.87
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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.