Finding the Fourth Proportional to 198,729.73, 297,719.09 and 117,434.26
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Solution
The fourth proportional to 198,729.73, 297,719.09 and 117,434.26 is: 175,929.49
Step by Step Solution
- Step 1: Write the proportion equation
198,729.73 : 297,719.09 = 117,434.26 : x - Step 2: Convert to fraction form
198,729.73/297,719.09 = 117,434.26/x - Step 3: Cross multiply
198,729.73x = 297,719.09 × 117,434.26 - Step 4: Simplify right side
198,729.73x = 34,962,420,571.31 - Step 5: Solve for x
x = 34,962,420,571.31/198,729.73 - Step 6: Final answer
x = 175,929.49
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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.