Finding the Fourth Proportional to 80,267.68, 120,409.44 and 27,670.24
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Solution
The fourth proportional to 80,267.68, 120,409.44 and 27,670.24 is: 41,508.09
Step by Step Solution
- Step 1: Write the proportion equation
80,267.68 : 120,409.44 = 27,670.24 : x - Step 2: Convert to fraction form
80,267.68/120,409.44 = 27,670.24/x - Step 3: Cross multiply
80,267.68x = 120,409.44 × 27,670.24 - Step 4: Simplify right side
80,267.68x = 3,331,758,103.07 - Step 5: Solve for x
x = 3,331,758,103.07/80,267.68 - Step 6: Final answer
x = 41,508.09
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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.