Finding the Fourth Proportional to 216,193.42, 324,160.72 and 73,991.26
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Solution
The fourth proportional to 216,193.42, 324,160.72 and 73,991.26 is: 110,942.60
Step by Step Solution
- Step 1: Write the proportion equation
216,193.42 : 324,160.72 = 73,991.26 : x - Step 2: Convert to fraction form
216,193.42/324,160.72 = 73,991.26/x - Step 3: Cross multiply
216,193.42x = 324,160.72 × 73,991.26 - Step 4: Simplify right side
216,193.42x = 23,985,060,115.31 - Step 5: Solve for x
x = 23,985,060,115.31/216,193.42 - Step 6: Final answer
x = 110,942.60
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1.5x scale
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.