Finding the Fourth Proportional to 173,745.60, 260,812.80 and 134,476.80
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Solution
The fourth proportional to 173,745.60, 260,812.80 and 134,476.80 is: 201,865.66
Step by Step Solution
- Step 1: Write the proportion equation
173,745.60 : 260,812.80 = 134,476.80 : x - Step 2: Convert to fraction form
173,745.60/260,812.80 = 134,476.80/x - Step 3: Cross multiply
173,745.60x = 260,812.80 × 134,476.80 - Step 4: Simplify right side
173,745.60x = 35,073,270,743.04 - Step 5: Solve for x
x = 35,073,270,743.04/173,745.60 - Step 6: Final answer
x = 201,865.66
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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.