Finding the Fourth Proportional to 274,217.87, 411,285.11 and 105,713.62
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Solution
The fourth proportional to 274,217.87, 411,285.11 and 105,713.62 is: 158,554.35
Step by Step Solution
- Step 1: Write the proportion equation
274,217.87 : 411,285.11 = 105,713.62 : x - Step 2: Convert to fraction form
274,217.87/411,285.11 = 105,713.62/x - Step 3: Cross multiply
274,217.87x = 411,285.11 × 105,713.62 - Step 4: Simplify right side
274,217.87x = 43,478,435,245.20 - Step 5: Solve for x
x = 43,478,435,245.20/274,217.87 - Step 6: Final answer
x = 158,554.35
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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.