Finding the Fourth Proportional to 252,030.80, 377,608.80 and 212,664.80
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Solution
The fourth proportional to 252,030.80, 377,608.80 and 212,664.80 is: 318,628.12
Step by Step Solution
- Step 1: Write the proportion equation
252,030.80 : 377,608.80 = 212,664.80 : x - Step 2: Convert to fraction form
252,030.80/377,608.80 = 212,664.80/x - Step 3: Cross multiply
252,030.80x = 377,608.80 × 212,664.80 - Step 4: Simplify right side
252,030.80x = 80,304,099,930.24 - Step 5: Solve for x
x = 80,304,099,930.24/252,030.80 - Step 6: Final answer
x = 318,628.12
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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.