Finding the Fourth Proportional to 186,771.88, 257,375.28 and 132,905.98
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Solution
The fourth proportional to 186,771.88, 257,375.28 and 132,905.98 is: 183,147.02
Step by Step Solution
- Step 1: Write the proportion equation
186,771.88 : 257,375.28 = 132,905.98 : x - Step 2: Convert to fraction form
186,771.88/257,375.28 = 132,905.98/x - Step 3: Cross multiply
186,771.88x = 257,375.28 × 132,905.98 - Step 4: Simplify right side
186,771.88x = 34,206,713,816.17 - Step 5: Solve for x
x = 34,206,713,816.17/186,771.88 - Step 6: Final answer
x = 183,147.02
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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.