Finding the Fourth Proportional to 202,163.20, 303,244.80 and 52,402.30
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Solution
The fourth proportional to 202,163.20, 303,244.80 and 52,402.30 is: 78,603.45
Step by Step Solution
- Step 1: Write the proportion equation
202,163.20 : 303,244.80 = 52,402.30 : x - Step 2: Convert to fraction form
202,163.20/303,244.80 = 52,402.30/x - Step 3: Cross multiply
202,163.20x = 303,244.80 × 52,402.30 - Step 4: Simplify right side
202,163.20x = 15,890,724,983.04 - Step 5: Solve for x
x = 15,890,724,983.04/202,163.20 - Step 6: Final answer
x = 78,603.45
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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.