Finding the Fourth Proportional to 818,025.68, 1,227,162.36 and 257,007.44
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Solution
The fourth proportional to 818,025.68, 1,227,162.36 and 257,007.44 is: 385,550.07
Step by Step Solution
- Step 1: Write the proportion equation
818,025.68 : 1,227,162.36 = 257,007.44 : x - Step 2: Convert to fraction form
818,025.68/1,227,162.36 = 257,007.44/x - Step 3: Cross multiply
818,025.68x = 1,227,162.36 × 257,007.44 - Step 4: Simplify right side
818,025.68x = 315,389,856,607.96 - Step 5: Solve for x
x = 315,389,856,607.96/818,025.68 - Step 6: Final answer
x = 385,550.07
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1.5x scale
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.