Finding the Fourth Proportional to 448,163.40, 672,230.70 and 148,657.80
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Solution
The fourth proportional to 448,163.40, 672,230.70 and 148,657.80 is: 222,981.92
Step by Step Solution
- Step 1: Write the proportion equation
448,163.40 : 672,230.70 = 148,657.80 : x - Step 2: Convert to fraction form
448,163.40/672,230.70 = 148,657.80/x - Step 3: Cross multiply
448,163.40x = 672,230.70 × 148,657.80 - Step 4: Simplify right side
448,163.40x = 99,932,336,954.46 - Step 5: Solve for x
x = 99,932,336,954.46/448,163.40 - Step 6: Final answer
x = 222,981.92
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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.