Finding the Fourth Proportional to 492,550.99, 679,704.96 and 277,687.96
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Solution
The fourth proportional to 492,550.99, 679,704.96 and 277,687.96 is: 383,200.70
Step by Step Solution
- Step 1: Write the proportion equation
492,550.99 : 679,704.96 = 277,687.96 : x - Step 2: Convert to fraction form
492,550.99/679,704.96 = 277,687.96/x - Step 3: Cross multiply
492,550.99x = 679,704.96 × 277,687.96 - Step 4: Simplify right side
492,550.99x = 188,745,883,744.28 - Step 5: Solve for x
x = 188,745,883,744.28/492,550.99 - Step 6: Final answer
x = 383,200.70
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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.