Finding the Fourth Proportional to 208,917.26, 288,305.82 and 113,423.98
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Solution
The fourth proportional to 208,917.26, 288,305.82 and 113,423.98 is: 156,525.09
Step by Step Solution
- Step 1: Write the proportion equation
208,917.26 : 288,305.82 = 113,423.98 : x - Step 2: Convert to fraction form
208,917.26/288,305.82 = 113,423.98/x - Step 3: Cross multiply
208,917.26x = 288,305.82 × 113,423.98 - Step 4: Simplify right side
208,917.26x = 32,700,793,561.56 - Step 5: Solve for x
x = 32,700,793,561.56/208,917.26 - Step 6: Final answer
x = 156,525.09
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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.