Finding the Fourth Proportional to 175,861.33, 263,816.60 and 57,509.09
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Solution
The fourth proportional to 175,861.33, 263,816.60 and 57,509.09 is: 86,271.68
Step by Step Solution
- Step 1: Write the proportion equation
175,861.33 : 263,816.60 = 57,509.09 : x - Step 2: Convert to fraction form
175,861.33/263,816.60 = 57,509.09/x - Step 3: Cross multiply
175,861.33x = 263,816.60 × 57,509.09 - Step 4: Simplify right side
175,861.33x = 15,171,851,975.58 - Step 5: Solve for x
x = 15,171,851,975.58/175,861.33 - Step 6: Final answer
x = 86,271.68
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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.