Finding the Fourth Proportional to 235,474.31, 353,223.68 and 77,715.06
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Solution
The fourth proportional to 235,474.31, 353,223.68 and 77,715.06 is: 116,576.62
Step by Step Solution
- Step 1: Write the proportion equation
235,474.31 : 353,223.68 = 77,715.06 : x - Step 2: Convert to fraction form
235,474.31/353,223.68 = 77,715.06/x - Step 3: Cross multiply
235,474.31x = 353,223.68 × 77,715.06 - Step 4: Simplify right side
235,474.31x = 27,450,799,096.05 - Step 5: Solve for x
x = 27,450,799,096.05/235,474.31 - Step 6: Final answer
x = 116,576.62
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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.