Finding the Fourth Proportional to 170,074.71, 255,148.97 and 51,742.97
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Solution
The fourth proportional to 170,074.71, 255,148.97 and 51,742.97 is: 77,625.68
Step by Step Solution
- Step 1: Write the proportion equation
170,074.71 : 255,148.97 = 51,742.97 : x - Step 2: Convert to fraction form
170,074.71/255,148.97 = 51,742.97/x - Step 3: Cross multiply
170,074.71x = 255,148.97 × 51,742.97 - Step 4: Simplify right side
170,074.71x = 13,202,165,500.24 - Step 5: Solve for x
x = 13,202,165,500.24/170,074.71 - Step 6: Final answer
x = 77,625.68
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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.