Finding the Fourth Proportional to 231,329.10, 347,512.05 and 221,882.70
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Solution
The fourth proportional to 231,329.10, 347,512.05 and 221,882.70 is: 333,321.28
Step by Step Solution
- Step 1: Write the proportion equation
231,329.10 : 347,512.05 = 221,882.70 : x - Step 2: Convert to fraction form
231,329.10/347,512.05 = 221,882.70/x - Step 3: Cross multiply
231,329.10x = 347,512.05 × 221,882.70 - Step 4: Simplify right side
231,329.10x = 77,106,911,936.54 - Step 5: Solve for x
x = 77,106,911,936.54/231,329.10 - Step 6: Final answer
x = 333,321.28
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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.