Finding the Fourth Proportional to 181,163.25, 271,774.58 and 74,518.30
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Solution
The fourth proportional to 181,163.25, 271,774.58 and 74,518.30 is: 111,789.66
Step by Step Solution
- Step 1: Write the proportion equation
181,163.25 : 271,774.58 = 74,518.30 : x - Step 2: Convert to fraction form
181,163.25/271,774.58 = 74,518.30/x - Step 3: Cross multiply
181,163.25x = 271,774.58 × 74,518.30 - Step 4: Simplify right side
181,163.25x = 20,252,178,123.21 - Step 5: Solve for x
x = 20,252,178,123.21/181,163.25 - Step 6: Final answer
x = 111,789.66
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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.