Finding the Fourth Proportional to 179,163.99, 268,784.87 and 54,501.75
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Solution
The fourth proportional to 179,163.99, 268,784.87 and 54,501.75 is: 81,764.45
Step by Step Solution
- Step 1: Write the proportion equation
179,163.99 : 268,784.87 = 54,501.75 : x - Step 2: Convert to fraction form
179,163.99/268,784.87 = 54,501.75/x - Step 3: Cross multiply
179,163.99x = 268,784.87 × 54,501.75 - Step 4: Simplify right side
179,163.99x = 14,649,245,516.01 - Step 5: Solve for x
x = 14,649,245,516.01/179,163.99 - Step 6: Final answer
x = 81,764.45
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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.