Finding the Fourth Proportional to 192,818.76, 266,021.46 and 125,634.12
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Solution
The fourth proportional to 192,818.76, 266,021.46 and 125,634.12 is: 173,330.50
Step by Step Solution
- Step 1: Write the proportion equation
192,818.76 : 266,021.46 = 125,634.12 : x - Step 2: Convert to fraction form
192,818.76/266,021.46 = 125,634.12/x - Step 3: Cross multiply
192,818.76x = 266,021.46 × 125,634.12 - Step 4: Simplify right side
192,818.76x = 33,421,372,028.22 - Step 5: Solve for x
x = 33,421,372,028.22/192,818.76 - Step 6: Final answer
x = 173,330.50
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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.