Finding the Fourth Proportional to 194,816.42, 292,241.26 and 68,445.68
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Solution
The fourth proportional to 194,816.42, 292,241.26 and 68,445.68 is: 102,674.37
Step by Step Solution
- Step 1: Write the proportion equation
194,816.42 : 292,241.26 = 68,445.68 : x - Step 2: Convert to fraction form
194,816.42/292,241.26 = 68,445.68/x - Step 3: Cross multiply
194,816.42x = 292,241.26 × 68,445.68 - Step 4: Simplify right side
194,816.42x = 20,002,651,764.76 - Step 5: Solve for x
x = 20,002,651,764.76/194,816.42 - Step 6: Final answer
x = 102,674.37
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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.