Finding the Fourth Proportional to 103,642.88, 155,469.18 and 33,527.68
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Solution
The fourth proportional to 103,642.88, 155,469.18 and 33,527.68 is: 50,293.09
Step by Step Solution
- Step 1: Write the proportion equation
103,642.88 : 155,469.18 = 33,527.68 : x - Step 2: Convert to fraction form
103,642.88/155,469.18 = 33,527.68/x - Step 3: Cross multiply
103,642.88x = 155,469.18 × 33,527.68 - Step 4: Simplify right side
103,642.88x = 5,212,520,916.90 - Step 5: Solve for x
x = 5,212,520,916.90/103,642.88 - Step 6: Final answer
x = 50,293.09
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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.