Finding the Fourth Proportional to 129,234.40, 193,793.26 and 46,130.56
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Solution
The fourth proportional to 129,234.40, 193,793.26 and 46,130.56 is: 69,175.02
Step by Step Solution
- Step 1: Write the proportion equation
129,234.40 : 193,793.26 = 46,130.56 : x - Step 2: Convert to fraction form
129,234.40/193,793.26 = 46,130.56/x - Step 3: Cross multiply
129,234.40x = 193,793.26 × 46,130.56 - Step 4: Simplify right side
129,234.40x = 8,939,791,608.03 - Step 5: Solve for x
x = 8,939,791,608.03/129,234.40 - Step 6: Final answer
x = 69,175.02
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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.