Finding the Fourth Proportional to 151,734.60, 227,739.60 and 76,906.80
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Solution
The fourth proportional to 151,734.60, 227,739.60 and 76,906.80 is: 115,429.99
Step by Step Solution
- Step 1: Write the proportion equation
151,734.60 : 227,739.60 = 76,906.80 : x - Step 2: Convert to fraction form
151,734.60/227,739.60 = 76,906.80/x - Step 3: Cross multiply
151,734.60x = 227,739.60 × 76,906.80 - Step 4: Simplify right side
151,734.60x = 17,514,723,869.28 - Step 5: Solve for x
x = 17,514,723,869.28/151,734.60 - Step 6: Final answer
x = 115,429.99
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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.