Finding the Fourth Proportional to 163,319.99, 225,375.71 and 91,703.03
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Solution
The fourth proportional to 163,319.99, 225,375.71 and 91,703.03 is: 126,546.88
Step by Step Solution
- Step 1: Write the proportion equation
163,319.99 : 225,375.71 = 91,703.03 : x - Step 2: Convert to fraction form
163,319.99/225,375.71 = 91,703.03/x - Step 3: Cross multiply
163,319.99x = 225,375.71 × 91,703.03 - Step 4: Simplify right side
163,319.99x = 20,667,633,910.01 - Step 5: Solve for x
x = 20,667,633,910.01/163,319.99 - Step 6: Final answer
x = 126,546.88
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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.