Finding the Fourth Proportional to 345,783.75, 477,163.17 and 192,837.66
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Solution
The fourth proportional to 345,783.75, 477,163.17 and 192,837.66 is: 266,105.71
Step by Step Solution
- Step 1: Write the proportion equation
345,783.75 : 477,163.17 = 192,837.66 : x - Step 2: Convert to fraction form
345,783.75/477,163.17 = 192,837.66/x - Step 3: Cross multiply
345,783.75x = 477,163.17 × 192,837.66 - Step 4: Simplify right side
345,783.75x = 92,015,029,140.98 - Step 5: Solve for x
x = 92,015,029,140.98/345,783.75 - Step 6: Final answer
x = 266,105.71
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.