Finding the Fourth Proportional to 211,676.50, 292,102.99 and 125,639.22
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Solution
The fourth proportional to 211,676.50, 292,102.99 and 125,639.22 is: 173,375.84
Step by Step Solution
- Step 1: Write the proportion equation
211,676.50 : 292,102.99 = 125,639.22 : x - Step 2: Convert to fraction form
211,676.50/292,102.99 = 125,639.22/x - Step 3: Cross multiply
211,676.50x = 292,102.99 × 125,639.22 - Step 4: Simplify right side
211,676.50x = 36,699,591,823.27 - Step 5: Solve for x
x = 36,699,591,823.27/211,676.50 - Step 6: Final answer
x = 173,375.84
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.