Finding the Fourth Proportional to 213,422.10, 320,149.35 and 63,650.70
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Solution
The fourth proportional to 213,422.10, 320,149.35 and 63,650.70 is: 95,480.88
Step by Step Solution
- Step 1: Write the proportion equation
213,422.10 : 320,149.35 = 63,650.70 : x - Step 2: Convert to fraction form
213,422.10/320,149.35 = 63,650.70/x - Step 3: Cross multiply
213,422.10x = 320,149.35 × 63,650.70 - Step 4: Simplify right side
213,422.10x = 20,377,730,232.05 - Step 5: Solve for x
x = 20,377,730,232.05/213,422.10 - Step 6: Final answer
x = 95,480.88
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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.