Finding the Fourth Proportional to 230,986.26, 318,751.98 and 144,991.62
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Solution
The fourth proportional to 230,986.26, 318,751.98 and 144,991.62 is: 200,082.75
Step by Step Solution
- Step 1: Write the proportion equation
230,986.26 : 318,751.98 = 144,991.62 : x - Step 2: Convert to fraction form
230,986.26/318,751.98 = 144,991.62/x - Step 3: Cross multiply
230,986.26x = 318,751.98 × 144,991.62 - Step 4: Simplify right side
230,986.26x = 46,216,365,958.41 - Step 5: Solve for x
x = 46,216,365,958.41/230,986.26 - Step 6: Final answer
x = 200,082.75
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.