Finding the Fourth Proportional to 364,857.80, 547,286.70 and 168,249.80
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Solution
The fourth proportional to 364,857.80, 547,286.70 and 168,249.80 is: 252,374.70
Step by Step Solution
- Step 1: Write the proportion equation
364,857.80 : 547,286.70 = 168,249.80 : x - Step 2: Convert to fraction form
364,857.80/547,286.70 = 168,249.80/x - Step 3: Cross multiply
364,857.80x = 547,286.70 × 168,249.80 - Step 4: Simplify right side
364,857.80x = 92,080,877,817.66 - Step 5: Solve for x
x = 92,080,877,817.66/364,857.80 - Step 6: Final answer
x = 252,374.70
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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.