Finding the Fourth Proportional to 285,193.44, 393,609.12 and 164,311.68
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Solution
The fourth proportional to 285,193.44, 393,609.12 and 164,311.68 is: 226,774.42
Step by Step Solution
- Step 1: Write the proportion equation
285,193.44 : 393,609.12 = 164,311.68 : x - Step 2: Convert to fraction form
285,193.44/393,609.12 = 164,311.68/x - Step 3: Cross multiply
285,193.44x = 393,609.12 × 164,311.68 - Step 4: Simplify right side
285,193.44x = 64,674,575,770.52 - Step 5: Solve for x
x = 64,674,575,770.52/285,193.44 - Step 6: Final answer
x = 226,774.42
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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.