Finding the Fourth Proportional to 193,604.34, 290,421.09 and 53,361.75
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Solution
The fourth proportional to 193,604.34, 290,421.09 and 53,361.75 is: 80,046.64
Step by Step Solution
- Step 1: Write the proportion equation
193,604.34 : 290,421.09 = 53,361.75 : x - Step 2: Convert to fraction form
193,604.34/290,421.09 = 53,361.75/x - Step 3: Cross multiply
193,604.34x = 290,421.09 × 53,361.75 - Step 4: Simplify right side
193,604.34x = 15,497,377,599.31 - Step 5: Solve for x
x = 15,497,377,599.31/193,604.34 - Step 6: Final answer
x = 80,046.64
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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.