Finding the Fourth Proportional to 213,592.97, 320,438.12 and 113,700.53
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Solution
The fourth proportional to 213,592.97, 320,438.12 and 113,700.53 is: 170,576.69
Step by Step Solution
- Step 1: Write the proportion equation
213,592.97 : 320,438.12 = 113,700.53 : x - Step 2: Convert to fraction form
213,592.97/320,438.12 = 113,700.53/x - Step 3: Cross multiply
213,592.97x = 320,438.12 × 113,700.53 - Step 4: Simplify right side
213,592.97x = 36,433,981,905.51 - Step 5: Solve for x
x = 36,433,981,905.51/213,592.97 - Step 6: Final answer
x = 170,576.69
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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.