Finding the Fourth Proportional to 303,859.70, 455,133.45 and 264,493.70
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Solution
The fourth proportional to 303,859.70, 455,133.45 and 264,493.70 is: 396,169.45
Step by Step Solution
- Step 1: Write the proportion equation
303,859.70 : 455,133.45 = 264,493.70 : x - Step 2: Convert to fraction form
303,859.70/455,133.45 = 264,493.70/x - Step 3: Cross multiply
303,859.70x = 455,133.45 × 264,493.70 - Step 4: Simplify right side
303,859.70x = 120,379,930,184.27 - Step 5: Solve for x
x = 120,379,930,184.27/303,859.70 - Step 6: Final answer
x = 396,169.45
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1.5x scale
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.