Finding the Fourth Proportional to 393,627.36, 543,190.10 and 232,534.20
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Solution
The fourth proportional to 393,627.36, 543,190.10 and 232,534.20 is: 320,887.95
Step by Step Solution
- Step 1: Write the proportion equation
393,627.36 : 543,190.10 = 232,534.20 : x - Step 2: Convert to fraction form
393,627.36/543,190.10 = 232,534.20/x - Step 3: Cross multiply
393,627.36x = 543,190.10 × 232,534.20 - Step 4: Simplify right side
393,627.36x = 126,310,275,351.42 - Step 5: Solve for x
x = 126,310,275,351.42/393,627.36 - Step 6: Final answer
x = 320,887.95
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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.