Finding the Fourth Proportional to 103,847.92, 155,838.12 and 37,286.68
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Solution
The fourth proportional to 103,847.92, 155,838.12 and 37,286.68 is: 55,953.80
Step by Step Solution
- Step 1: Write the proportion equation
103,847.92 : 155,838.12 = 37,286.68 : x - Step 2: Convert to fraction form
103,847.92/155,838.12 = 37,286.68/x - Step 3: Cross multiply
103,847.92x = 155,838.12 × 37,286.68 - Step 4: Simplify right side
103,847.92x = 5,810,686,112.24 - Step 5: Solve for x
x = 5,810,686,112.24/103,847.92 - Step 6: Final answer
x = 55,953.80
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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.