Finding the Fourth Proportional to 850,663.99, 1,275,995.98 and 251,578.52
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Solution
The fourth proportional to 850,663.99, 1,275,995.98 and 251,578.52 is: 377,367.78
Step by Step Solution
- Step 1: Write the proportion equation
850,663.99 : 1,275,995.98 = 251,578.52 : x - Step 2: Convert to fraction form
850,663.99/1,275,995.98 = 251,578.52/x - Step 3: Cross multiply
850,663.99x = 1,275,995.98 × 251,578.52 - Step 4: Simplify right side
850,663.99x = 321,013,180,174.35 - Step 5: Solve for x
x = 321,013,180,174.35/850,663.99 - Step 6: Final answer
x = 377,367.78
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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.