Finding the Fourth Proportional to 202,278.70, 303,418.05 and 69,163.30
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Solution
The fourth proportional to 202,278.70, 303,418.05 and 69,163.30 is: 103,744.95
Step by Step Solution
- Step 1: Write the proportion equation
202,278.70 : 303,418.05 = 69,163.30 : x - Step 2: Convert to fraction form
202,278.70/303,418.05 = 69,163.30/x - Step 3: Cross multiply
202,278.70x = 303,418.05 × 69,163.30 - Step 4: Simplify right side
202,278.70x = 20,985,393,617.57 - Step 5: Solve for x
x = 20,985,393,617.57/202,278.70 - Step 6: Final answer
x = 103,744.95
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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.