Finding the Fourth Proportional to 103,213.24, 154,816.62 and 29,341.24
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Solution
The fourth proportional to 103,213.24, 154,816.62 and 29,341.24 is: 44,010.94
Step by Step Solution
- Step 1: Write the proportion equation
103,213.24 : 154,816.62 = 29,341.24 : x - Step 2: Convert to fraction form
103,213.24/154,816.62 = 29,341.24/x - Step 3: Cross multiply
103,213.24x = 154,816.62 × 29,341.24 - Step 4: Simplify right side
103,213.24x = 4,542,511,603.41 - Step 5: Solve for x
x = 4,542,511,603.41/103,213.24 - Step 6: Final answer
x = 44,010.94
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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.