Finding the Fourth Proportional to 402,584.94, 603,951.32 and 132,728.99
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Solution
The fourth proportional to 402,584.94, 603,951.32 and 132,728.99 is: 199,117.85
Step by Step Solution
- Step 1: Write the proportion equation
402,584.94 : 603,951.32 = 132,728.99 : x - Step 2: Convert to fraction form
402,584.94/603,951.32 = 132,728.99/x - Step 3: Cross multiply
402,584.94x = 603,951.32 × 132,728.99 - Step 4: Simplify right side
402,584.94x = 80,161,846,024.83 - Step 5: Solve for x
x = 80,161,846,024.83/402,584.94 - Step 6: Final answer
x = 199,117.85
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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.