Finding the Fourth Proportional to 305,346.11, 421,379.98 and 167,524.14
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Solution
The fourth proportional to 305,346.11, 421,379.98 and 167,524.14 is: 231,184.60
Step by Step Solution
- Step 1: Write the proportion equation
305,346.11 : 421,379.98 = 167,524.14 : x - Step 2: Convert to fraction form
305,346.11/421,379.98 = 167,524.14/x - Step 3: Cross multiply
305,346.11x = 421,379.98 × 167,524.14 - Step 4: Simplify right side
305,346.11x = 70,591,318,343.91 - Step 5: Solve for x
x = 70,591,318,343.91/305,346.11 - Step 6: Final answer
x = 231,184.60
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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.