Finding the Fourth Proportional to 208,827.28, 288,183.80 and 113,334.80
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Solution
The fourth proportional to 208,827.28, 288,183.80 and 113,334.80 is: 156,403.19
Step by Step Solution
- Step 1: Write the proportion equation
208,827.28 : 288,183.80 = 113,334.80 : x - Step 2: Convert to fraction form
208,827.28/288,183.80 = 113,334.80/x - Step 3: Cross multiply
208,827.28x = 288,183.80 × 113,334.80 - Step 4: Simplify right side
208,827.28x = 32,661,253,336.24 - Step 5: Solve for x
x = 32,661,253,336.24/208,827.28 - Step 6: Final answer
x = 156,403.19
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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.