Finding the Fourth Proportional to 275,442.40, 413,163.60 and 88,472.80
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Solution
The fourth proportional to 275,442.40, 413,163.60 and 88,472.80 is: 132,709.20
Step by Step Solution
- Step 1: Write the proportion equation
275,442.40 : 413,163.60 = 88,472.80 : x - Step 2: Convert to fraction form
275,442.40/413,163.60 = 88,472.80/x - Step 3: Cross multiply
275,442.40x = 413,163.60 × 88,472.80 - Step 4: Simplify right side
275,442.40x = 36,553,740,550.08 - Step 5: Solve for x
x = 36,553,740,550.08/275,442.40 - Step 6: Final answer
x = 132,709.20
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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.