Finding the Fourth Proportional to 208,884.18, 288,260.52 and 113,390.94
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Solution
The fourth proportional to 208,884.18, 288,260.52 and 113,390.94 is: 156,479.69
Step by Step Solution
- Step 1: Write the proportion equation
208,884.18 : 288,260.52 = 113,390.94 : x - Step 2: Convert to fraction form
208,884.18/288,260.52 = 113,390.94/x - Step 3: Cross multiply
208,884.18x = 288,260.52 × 113,390.94 - Step 4: Simplify right side
208,884.18x = 32,686,131,327.69 - Step 5: Solve for x
x = 32,686,131,327.69/208,884.18 - Step 6: Final answer
x = 156,479.69
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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.