Finding the Fourth Proportional to 208,818.32, 288,169.43 and 113,324.99
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Solution
The fourth proportional to 208,818.32, 288,169.43 and 113,324.99 is: 156,388.56
Step by Step Solution
- Step 1: Write the proportion equation
208,818.32 : 288,169.43 = 113,324.99 : x - Step 2: Convert to fraction form
208,818.32/288,169.43 = 113,324.99/x - Step 3: Cross multiply
208,818.32x = 288,169.43 × 113,324.99 - Step 4: Simplify right side
208,818.32x = 32,656,795,765.58 - Step 5: Solve for x
x = 32,656,795,765.58/208,818.32 - Step 6: Final answer
x = 156,388.56
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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.