Finding the Fourth Proportional to 155,816.87, 233,540.72 and 71,505.99
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Solution
The fourth proportional to 155,816.87, 233,540.72 and 71,505.99 is: 107,174.28
Step by Step Solution
- Step 1: Write the proportion equation
155,816.87 : 233,540.72 = 71,505.99 : x - Step 2: Convert to fraction form
155,816.87/233,540.72 = 71,505.99/x - Step 3: Cross multiply
155,816.87x = 233,540.72 × 71,505.99 - Step 4: Simplify right side
155,816.87x = 16,699,560,299.53 - Step 5: Solve for x
x = 16,699,560,299.53/155,816.87 - Step 6: Final answer
x = 107,174.28
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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.