Finding the Fourth Proportional to 321,595.62, 482,348.74 and 225,240.99
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Solution
The fourth proportional to 321,595.62, 482,348.74 and 225,240.99 is: 337,830.18
Step by Step Solution
- Step 1: Write the proportion equation
321,595.62 : 482,348.74 = 225,240.99 : x - Step 2: Convert to fraction form
321,595.62/482,348.74 = 225,240.99/x - Step 3: Cross multiply
321,595.62x = 482,348.74 × 225,240.99 - Step 4: Simplify right side
321,595.62x = 108,644,707,722.85 - Step 5: Solve for x
x = 108,644,707,722.85/321,595.62 - Step 6: Final answer
x = 337,830.18
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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.