Finding the Fourth Proportional to 734,861.81, 1,102,296.43 and 229,380.42
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Solution
The fourth proportional to 734,861.81, 1,102,296.43 and 229,380.42 is: 344,071.78
Step by Step Solution
- Step 1: Write the proportion equation
734,861.81 : 1,102,296.43 = 229,380.42 : x - Step 2: Convert to fraction form
734,861.81/1,102,296.43 = 229,380.42/x - Step 3: Cross multiply
734,861.81x = 1,102,296.43 × 229,380.42 - Step 4: Simplify right side
734,861.81x = 252,845,213,842.74 - Step 5: Solve for x
x = 252,845,213,842.74/734,861.81 - Step 6: Final answer
x = 344,071.78
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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.