Finding the Fourth Proportional to 216,201.08, 298,481.97 and 143,702.26
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Solution
The fourth proportional to 216,201.08, 298,481.97 and 143,702.26 is: 198,391.85
Step by Step Solution
- Step 1: Write the proportion equation
216,201.08 : 298,481.97 = 143,702.26 : x - Step 2: Convert to fraction form
216,201.08/298,481.97 = 143,702.26/x - Step 3: Cross multiply
216,201.08x = 298,481.97 × 143,702.26 - Step 4: Simplify right side
216,201.08x = 42,892,532,642.61 - Step 5: Solve for x
x = 42,892,532,642.61/216,201.08 - Step 6: Final answer
x = 198,391.85
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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.