Finding the Fourth Proportional to 113,852.36, 170,786.73 and 43,731.68
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Solution
The fourth proportional to 113,852.36, 170,786.73 and 43,731.68 is: 65,600.66
Step by Step Solution
- Step 1: Write the proportion equation
113,852.36 : 170,786.73 = 43,731.68 : x - Step 2: Convert to fraction form
113,852.36/170,786.73 = 43,731.68/x - Step 3: Cross multiply
113,852.36x = 170,786.73 × 43,731.68 - Step 4: Simplify right side
113,852.36x = 7,468,789,770.67 - Step 5: Solve for x
x = 7,468,789,770.67/113,852.36 - Step 6: Final answer
x = 65,600.66
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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.