Finding the Fourth Proportional to 151,989.68, 227,642.04 and 73,163.12
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Solution
The fourth proportional to 151,989.68, 227,642.04 and 73,163.12 is: 109,579.82
Step by Step Solution
- Step 1: Write the proportion equation
151,989.68 : 227,642.04 = 73,163.12 : x - Step 2: Convert to fraction form
151,989.68/227,642.04 = 73,163.12/x - Step 3: Cross multiply
151,989.68x = 227,642.04 × 73,163.12 - Step 4: Simplify right side
151,989.68x = 16,655,001,889.56 - Step 5: Solve for x
x = 16,655,001,889.56/151,989.68 - Step 6: Final answer
x = 109,579.82
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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.