Finding the Fourth Proportional to 209,332.40, 313,998.60 and 202,115.30
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Solution
The fourth proportional to 209,332.40, 313,998.60 and 202,115.30 is: 303,172.95
Step by Step Solution
- Step 1: Write the proportion equation
209,332.40 : 313,998.60 = 202,115.30 : x - Step 2: Convert to fraction form
209,332.40/313,998.60 = 202,115.30/x - Step 3: Cross multiply
209,332.40x = 313,998.60 × 202,115.30 - Step 4: Simplify right side
209,332.40x = 63,463,921,238.58 - Step 5: Solve for x
x = 63,463,921,238.58/209,332.40 - Step 6: Final answer
x = 303,172.95
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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.