Finding the Fourth Proportional to 216,872.21, 299,073.69 and 169,108.13
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Solution
The fourth proportional to 216,872.21, 299,073.69 and 169,108.13 is: 233,205.50
Step by Step Solution
- Step 1: Write the proportion equation
216,872.21 : 299,073.69 = 169,108.13 : x - Step 2: Convert to fraction form
216,872.21/299,073.69 = 169,108.13/x - Step 3: Cross multiply
216,872.21x = 299,073.69 × 169,108.13 - Step 4: Simplify right side
216,872.21x = 50,575,793,195.78 - Step 5: Solve for x
x = 50,575,793,195.78/216,872.21 - Step 6: Final answer
x = 233,205.50
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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.