Finding the Fourth Proportional to 324,229.86, 485,348.16 and 276,400.17
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Solution
The fourth proportional to 324,229.86, 485,348.16 and 276,400.17 is: 413,750.65
Step by Step Solution
- Step 1: Write the proportion equation
324,229.86 : 485,348.16 = 276,400.17 : x - Step 2: Convert to fraction form
324,229.86/485,348.16 = 276,400.17/x - Step 3: Cross multiply
324,229.86x = 485,348.16 × 276,400.17 - Step 4: Simplify right side
324,229.86x = 134,150,313,933.19 - Step 5: Solve for x
x = 134,150,313,933.19/324,229.86 - Step 6: Final answer
x = 413,750.65
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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.