Finding the Fourth Proportional to 151,998.93, 227,931.44 and 80,904.42
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Solution
The fourth proportional to 151,998.93, 227,931.44 and 80,904.42 is: 121,320.99
Step by Step Solution
- Step 1: Write the proportion equation
151,998.93 : 227,931.44 = 80,904.42 : x - Step 2: Convert to fraction form
151,998.93/227,931.44 = 80,904.42/x - Step 3: Cross multiply
151,998.93x = 227,931.44 × 80,904.42 - Step 4: Simplify right side
151,998.93x = 18,440,660,548.44 - Step 5: Solve for x
x = 18,440,660,548.44/151,998.93 - Step 6: Final answer
x = 121,320.99
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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.