Finding the Fourth Proportional to 283,245.41, 424,721.70 and 83,540.31
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Solution
The fourth proportional to 283,245.41, 424,721.70 and 83,540.31 is: 125,267.28
Step by Step Solution
- Step 1: Write the proportion equation
283,245.41 : 424,721.70 = 83,540.31 : x - Step 2: Convert to fraction form
283,245.41/424,721.70 = 83,540.31/x - Step 3: Cross multiply
283,245.41x = 424,721.70 × 83,540.31 - Step 4: Simplify right side
283,245.41x = 35,481,382,481.73 - Step 5: Solve for x
x = 35,481,382,481.73/283,245.41 - Step 6: Final answer
x = 125,267.28
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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.