Finding the Fourth Proportional to 318,161.75, 477,245.51 and 96,545.75
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Solution
The fourth proportional to 318,161.75, 477,245.51 and 96,545.75 is: 144,819.50
Step by Step Solution
- Step 1: Write the proportion equation
318,161.75 : 477,245.51 = 96,545.75 : x - Step 2: Convert to fraction form
318,161.75/477,245.51 = 96,545.75/x - Step 3: Cross multiply
318,161.75x = 477,245.51 × 96,545.75 - Step 4: Simplify right side
318,161.75x = 46,076,025,697.08 - Step 5: Solve for x
x = 46,076,025,697.08/318,161.75 - Step 6: Final answer
x = 144,819.50
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1.5x scale
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.