Finding the Fourth Proportional to 206,308.29, 284,706.17 and 129,877.96
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Solution
The fourth proportional to 206,308.29, 284,706.17 and 129,877.96 is: 179,232.04
Step by Step Solution
- Step 1: Write the proportion equation
206,308.29 : 284,706.17 = 129,877.96 : x - Step 2: Convert to fraction form
206,308.29/284,706.17 = 129,877.96/x - Step 3: Cross multiply
206,308.29x = 284,706.17 × 129,877.96 - Step 4: Simplify right side
206,308.29x = 36,977,055,052.71 - Step 5: Solve for x
x = 36,977,055,052.71/206,308.29 - Step 6: Final answer
x = 179,232.04
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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.