Finding the Fourth Proportional to 492,440.70, 738,114.30 and 192,821.70
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Solution
The fourth proportional to 492,440.70, 738,114.30 and 192,821.70 is: 289,018.46
Step by Step Solution
- Step 1: Write the proportion equation
492,440.70 : 738,114.30 = 192,821.70 : x - Step 2: Convert to fraction form
492,440.70/738,114.30 = 192,821.70/x - Step 3: Cross multiply
492,440.70x = 738,114.30 × 192,821.70 - Step 4: Simplify right side
492,440.70x = 142,324,454,120.31 - Step 5: Solve for x
x = 142,324,454,120.31/492,440.70 - Step 6: Final answer
x = 289,018.46
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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.