Finding the Fourth Proportional to 114,138.36, 171,163.44 and 39,244.32
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Solution
The fourth proportional to 114,138.36, 171,163.44 and 39,244.32 is: 58,851.32
Step by Step Solution
- Step 1: Write the proportion equation
114,138.36 : 171,163.44 = 39,244.32 : x - Step 2: Convert to fraction form
114,138.36/171,163.44 = 39,244.32/x - Step 3: Cross multiply
114,138.36x = 171,163.44 × 39,244.32 - Step 4: Simplify right side
114,138.36x = 6,717,192,811.66 - Step 5: Solve for x
x = 6,717,192,811.66/114,138.36 - Step 6: Final answer
x = 58,851.32
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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.