Finding the Fourth Proportional to 847,439.43, 1,271,161.23 and 207,745.98
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Solution
The fourth proportional to 847,439.43, 1,271,161.23 and 207,745.98 is: 311,619.48
Step by Step Solution
- Step 1: Write the proportion equation
847,439.43 : 1,271,161.23 = 207,745.98 : x - Step 2: Convert to fraction form
847,439.43/1,271,161.23 = 207,745.98/x - Step 3: Cross multiply
847,439.43x = 1,271,161.23 × 207,745.98 - Step 4: Simplify right side
847,439.43x = 264,078,635,464.36 - Step 5: Solve for x
x = 264,078,635,464.36/847,439.43 - Step 6: Final answer
x = 311,619.48
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.