Finding the Fourth Proportional to 494,715.96, 682,709.76 and 268,363.08
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Solution
The fourth proportional to 494,715.96, 682,709.76 and 268,363.08 is: 370,341.99
Step by Step Solution
- Step 1: Write the proportion equation
494,715.96 : 682,709.76 = 268,363.08 : x - Step 2: Convert to fraction form
494,715.96/682,709.76 = 268,363.08/x - Step 3: Cross multiply
494,715.96x = 682,709.76 × 268,363.08 - Step 4: Simplify right side
494,715.96x = 183,214,093,939.66 - Step 5: Solve for x
x = 183,214,093,939.66/494,715.96 - Step 6: Final answer
x = 370,341.99
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1.5x scale
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.