Finding the Fourth Proportional to 863,135.10, 1,206,814.50 and 863,135.10
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Solution
The fourth proportional to 863,135.10, 1,206,814.50 and 863,135.10 is: 1,206,814.50
Step by Step Solution
- Step 1: Write the proportion equation
863,135.10 : 1,206,814.50 = 863,135.10 : x - Step 2: Convert to fraction form
863,135.10/1,206,814.50 = 863,135.10/x - Step 3: Cross multiply
863,135.10x = 1,206,814.50 × 863,135.10 - Step 4: Simplify right side
863,135.10x = 1,041,643,954,138.95 - Step 5: Solve for x
x = 1,041,643,954,138.95/863,135.10 - Step 6: Final answer
x = 1,206,814.50
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.