Finding the Fourth Proportional to 216,528.58, 324,778.29 and 76,268.98
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Solution
The fourth proportional to 216,528.58, 324,778.29 and 76,268.98 is: 114,398.33
Step by Step Solution
- Step 1: Write the proportion equation
216,528.58 : 324,778.29 = 76,268.98 : x - Step 2: Convert to fraction form
216,528.58/324,778.29 = 76,268.98/x - Step 3: Cross multiply
216,528.58x = 324,778.29 × 76,268.98 - Step 4: Simplify right side
216,528.58x = 24,770,508,904.44 - Step 5: Solve for x
x = 24,770,508,904.44/216,528.58 - Step 6: Final answer
x = 114,398.33
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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.