Finding the Fourth Proportional to 173,969.44, 260,986.16 and 74,129.44
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Solution
The fourth proportional to 173,969.44, 260,986.16 and 74,129.44 is: 111,207.80
Step by Step Solution
- Step 1: Write the proportion equation
173,969.44 : 260,986.16 = 74,129.44 : x - Step 2: Convert to fraction form
173,969.44/260,986.16 = 74,129.44/x - Step 3: Cross multiply
173,969.44x = 260,986.16 × 74,129.44 - Step 4: Simplify right side
173,969.44x = 19,346,757,888.55 - Step 5: Solve for x
x = 19,346,757,888.55/173,969.44 - Step 6: Final answer
x = 111,207.80
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1.5x scale
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.