Finding the Fourth Proportional to 156,775.80, 235,163.70 and 110,236.44
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Solution
The fourth proportional to 156,775.80, 235,163.70 and 110,236.44 is: 165,354.66
Step by Step Solution
- Step 1: Write the proportion equation
156,775.80 : 235,163.70 = 110,236.44 : x - Step 2: Convert to fraction form
156,775.80/235,163.70 = 110,236.44/x - Step 3: Cross multiply
156,775.80x = 235,163.70 × 110,236.44 - Step 4: Simplify right side
156,775.80x = 25,923,609,105.23 - Step 5: Solve for x
x = 25,923,609,105.23/156,775.80 - Step 6: Final answer
x = 165,354.66
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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.