Finding the Fourth Proportional to 206,355.29, 284,649.30 and 129,752.96
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Solution
The fourth proportional to 206,355.29, 284,649.30 and 129,752.96 is: 178,983.00
Step by Step Solution
- Step 1: Write the proportion equation
206,355.29 : 284,649.30 = 129,752.96 : x - Step 2: Convert to fraction form
206,355.29/284,649.30 = 129,752.96/x - Step 3: Cross multiply
206,355.29x = 284,649.30 × 129,752.96 - Step 4: Simplify right side
206,355.29x = 36,934,087,813.68 - Step 5: Solve for x
x = 36,934,087,813.68/206,355.29 - Step 6: Final answer
x = 178,983.00
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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.