Finding the Fourth Proportional to 275,703.21, 413,553.60 and 98,216.82
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Solution
The fourth proportional to 275,703.21, 413,553.60 and 98,216.82 is: 147,324.80
Step by Step Solution
- Step 1: Write the proportion equation
275,703.21 : 413,553.60 = 98,216.82 : x - Step 2: Convert to fraction form
275,703.21/413,553.60 = 98,216.82/x - Step 3: Cross multiply
275,703.21x = 413,553.60 × 98,216.82 - Step 4: Simplify right side
275,703.21x = 40,617,919,491.55 - Step 5: Solve for x
x = 40,617,919,491.55/275,703.21 - Step 6: Final answer
x = 147,324.80
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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.