Finding the Fourth Proportional to 248,591.28, 343,058.22 and 141,163.56
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Solution
The fourth proportional to 248,591.28, 343,058.22 and 141,163.56 is: 194,806.99
Step by Step Solution
- Step 1: Write the proportion equation
248,591.28 : 343,058.22 = 141,163.56 : x - Step 2: Convert to fraction form
248,591.28/343,058.22 = 141,163.56/x - Step 3: Cross multiply
248,591.28x = 343,058.22 × 141,163.56 - Step 4: Simplify right side
248,591.28x = 48,427,319,622.46 - Step 5: Solve for x
x = 48,427,319,622.46/248,591.28 - Step 6: Final answer
x = 194,806.99
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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.