Finding the Fourth Proportional to 441,286.91, 661,930.37 and 308,426.66
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Solution
The fourth proportional to 441,286.91, 661,930.37 and 308,426.66 is: 462,639.99
Step by Step Solution
- Step 1: Write the proportion equation
441,286.91 : 661,930.37 = 308,426.66 : x - Step 2: Convert to fraction form
441,286.91/661,930.37 = 308,426.66/x - Step 3: Cross multiply
441,286.91x = 661,930.37 × 308,426.66 - Step 4: Simplify right side
441,286.91x = 204,156,971,629.53 - Step 5: Solve for x
x = 204,156,971,629.53/441,286.91 - Step 6: Final answer
x = 462,639.99
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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.