Finding the Fourth Proportional to 212,644.63, 318,996.11 and 62,896.69
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Solution
The fourth proportional to 212,644.63, 318,996.11 and 62,896.69 is: 94,353.66
Step by Step Solution
- Step 1: Write the proportion equation
212,644.63 : 318,996.11 = 62,896.69 : x - Step 2: Convert to fraction form
212,644.63/318,996.11 = 62,896.69/x - Step 3: Cross multiply
212,644.63x = 318,996.11 × 62,896.69 - Step 4: Simplify right side
212,644.63x = 20,063,799,441.88 - Step 5: Solve for x
x = 20,063,799,441.88/212,644.63 - Step 6: Final answer
x = 94,353.66
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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.