Finding the Fourth Proportional to 482,582.87, 723,879.87 and 145,626.44
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Solution
The fourth proportional to 482,582.87, 723,879.87 and 145,626.44 is: 218,441.33
Step by Step Solution
- Step 1: Write the proportion equation
482,582.87 : 723,879.87 = 145,626.44 : x - Step 2: Convert to fraction form
482,582.87/723,879.87 = 145,626.44/x - Step 3: Cross multiply
482,582.87x = 723,879.87 × 145,626.44 - Step 4: Simplify right side
482,582.87x = 105,416,044,836.36 - Step 5: Solve for x
x = 105,416,044,836.36/482,582.87 - Step 6: Final answer
x = 218,441.33
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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.