Finding the Fourth Proportional to 171,692.26, 257,491.91 and 71,832.02
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Solution
The fourth proportional to 171,692.26, 257,491.91 and 71,832.02 is: 107,728.58
Step by Step Solution
- Step 1: Write the proportion equation
171,692.26 : 257,491.91 = 71,832.02 : x - Step 2: Convert to fraction form
171,692.26/257,491.91 = 71,832.02/x - Step 3: Cross multiply
171,692.26x = 257,491.91 × 71,832.02 - Step 4: Simplify right side
171,692.26x = 18,496,162,921.08 - Step 5: Solve for x
x = 18,496,162,921.08/171,692.26 - Step 6: Final answer
x = 107,728.58
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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.