Finding the Fourth Proportional to 422,880.96, 634,163.40 and 170,076.12
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Solution
The fourth proportional to 422,880.96, 634,163.40 and 170,076.12 is: 255,050.62
Step by Step Solution
- Step 1: Write the proportion equation
422,880.96 : 634,163.40 = 170,076.12 : x - Step 2: Convert to fraction form
422,880.96/634,163.40 = 170,076.12/x - Step 3: Cross multiply
422,880.96x = 634,163.40 × 170,076.12 - Step 4: Simplify right side
422,880.96x = 107,856,050,518.01 - Step 5: Solve for x
x = 107,856,050,518.01/422,880.96 - Step 6: Final answer
x = 255,050.62
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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.