Finding the Fourth Proportional to 216,575.93, 324,919.26 and 83,420.44
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Solution
The fourth proportional to 216,575.93, 324,919.26 and 83,420.44 is: 125,151.98
Step by Step Solution
- Step 1: Write the proportion equation
216,575.93 : 324,919.26 = 83,420.44 : x - Step 2: Convert to fraction form
216,575.93/324,919.26 = 83,420.44/x - Step 3: Cross multiply
216,575.93x = 324,919.26 × 83,420.44 - Step 4: Simplify right side
216,575.93x = 27,104,906,821.38 - Step 5: Solve for x
x = 27,104,906,821.38/216,575.93 - Step 6: Final answer
x = 125,151.98
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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.