Finding the Fourth Proportional to 617,770.62, 926,672.12 and 212,958.54
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Solution
The fourth proportional to 617,770.62, 926,672.12 and 212,958.54 is: 319,443.39
Step by Step Solution
- Step 1: Write the proportion equation
617,770.62 : 926,672.12 = 212,958.54 : x - Step 2: Convert to fraction form
617,770.62/926,672.12 = 212,958.54/x - Step 3: Cross multiply
617,770.62x = 926,672.12 × 212,958.54 - Step 4: Simplify right side
617,770.62x = 197,342,741,733.91 - Step 5: Solve for x
x = 197,342,741,733.91/617,770.62 - Step 6: Final answer
x = 319,443.39
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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.