Finding the Fourth Proportional to 419,524.98, 629,378.61 and 153,285.09
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Solution
The fourth proportional to 419,524.98, 629,378.61 and 153,285.09 is: 229,960.94
Step by Step Solution
- Step 1: Write the proportion equation
419,524.98 : 629,378.61 = 153,285.09 : x - Step 2: Convert to fraction form
419,524.98/629,378.61 = 153,285.09/x - Step 3: Cross multiply
419,524.98x = 629,378.61 × 153,285.09 - Step 4: Simplify right side
419,524.98x = 96,474,356,877.92 - Step 5: Solve for x
x = 96,474,356,877.92/419,524.98 - Step 6: Final answer
x = 229,960.94
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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.