Finding the Fourth Proportional to 216,195.93, 324,311.18 and 75,986.01
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Solution
The fourth proportional to 216,195.93, 324,311.18 and 75,986.01 is: 113,985.09
Step by Step Solution
- Step 1: Write the proportion equation
216,195.93 : 324,311.18 = 75,986.01 : x - Step 2: Convert to fraction form
216,195.93/324,311.18 = 75,986.01/x - Step 3: Cross multiply
216,195.93x = 324,311.18 × 75,986.01 - Step 4: Simplify right side
216,195.93x = 24,643,112,186.66 - Step 5: Solve for x
x = 24,643,112,186.66/216,195.93 - Step 6: Final answer
x = 113,985.09
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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.