Finding the Fourth Proportional to 179,571.72, 247,808.64 and 98,998.68
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Solution
The fourth proportional to 179,571.72, 247,808.64 and 98,998.68 is: 136,617.99
Step by Step Solution
- Step 1: Write the proportion equation
179,571.72 : 247,808.64 = 98,998.68 : x - Step 2: Convert to fraction form
179,571.72/247,808.64 = 98,998.68/x - Step 3: Cross multiply
179,571.72x = 247,808.64 × 98,998.68 - Step 4: Simplify right side
179,571.72x = 24,532,728,252.60 - Step 5: Solve for x
x = 24,532,728,252.60/179,571.72 - Step 6: Final answer
x = 136,617.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.