Finding the Fourth Proportional to 370,942.74, 511,902.45 and 201,179.70
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Solution
The fourth proportional to 370,942.74, 511,902.45 and 201,179.70 is: 277,628.78
Step by Step Solution
- Step 1: Write the proportion equation
370,942.74 : 511,902.45 = 201,179.70 : x - Step 2: Convert to fraction form
370,942.74/511,902.45 = 201,179.70/x - Step 3: Cross multiply
370,942.74x = 511,902.45 × 201,179.70 - Step 4: Simplify right side
370,942.74x = 102,984,381,320.27 - Step 5: Solve for x
x = 102,984,381,320.27/370,942.74 - Step 6: Final answer
x = 277,628.78
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.