Finding the Fourth Proportional to 303,910.70, 455,209.95 and 264,544.70
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Solution
The fourth proportional to 303,910.70, 455,209.95 and 264,544.70 is: 396,245.94
Step by Step Solution
- Step 1: Write the proportion equation
303,910.70 : 455,209.95 = 264,544.70 : x - Step 2: Convert to fraction form
303,910.70/455,209.95 = 264,544.70/x - Step 3: Cross multiply
303,910.70x = 455,209.95 × 264,544.70 - Step 4: Simplify right side
303,910.70x = 120,423,379,659.77 - Step 5: Solve for x
x = 120,423,379,659.77/303,910.70 - Step 6: Final answer
x = 396,245.94
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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.