Finding the Fourth Proportional to 548,687.13, 757,217.66 and 306,955.29
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Solution
The fourth proportional to 548,687.13, 757,217.66 and 306,955.29 is: 423,614.75
Step by Step Solution
- Step 1: Write the proportion equation
548,687.13 : 757,217.66 = 306,955.29 : x - Step 2: Convert to fraction form
548,687.13/757,217.66 = 306,955.29/x - Step 3: Cross multiply
548,687.13x = 757,217.66 × 306,955.29 - Step 4: Simplify right side
548,687.13x = 232,431,961,097.56 - Step 5: Solve for x
x = 232,431,961,097.56/548,687.13 - Step 6: Final answer
x = 423,614.75
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.