Finding the Fourth Proportional to 308,634.40, 462,472.74 and 214,049.08
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Solution
The fourth proportional to 308,634.40, 462,472.74 and 214,049.08 is: 320,741.51
Step by Step Solution
- Step 1: Write the proportion equation
308,634.40 : 462,472.74 = 214,049.08 : x - Step 2: Convert to fraction form
308,634.40/462,472.74 = 214,049.08/x - Step 3: Cross multiply
308,634.40x = 462,472.74 × 214,049.08 - Step 4: Simplify right side
308,634.40x = 98,991,864,522.08 - Step 5: Solve for x
x = 98,991,864,522.08/308,634.40 - Step 6: Final answer
x = 320,741.51
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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.