Finding the Fourth Proportional to 151,812.76, 227,157.19 and 121,735.02
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Solution
The fourth proportional to 151,812.76, 227,157.19 and 121,735.02 is: 182,151.92
Step by Step Solution
- Step 1: Write the proportion equation
151,812.76 : 227,157.19 = 121,735.02 : x - Step 2: Convert to fraction form
151,812.76/227,157.19 = 121,735.02/x - Step 3: Cross multiply
151,812.76x = 227,157.19 × 121,735.02 - Step 4: Simplify right side
151,812.76x = 27,652,985,067.79 - Step 5: Solve for x
x = 27,652,985,067.79/151,812.76 - Step 6: Final answer
x = 182,151.92
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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.