Finding the Fourth Proportional to 176,649.80, 264,974.70 and 76,857.80
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Solution
The fourth proportional to 176,649.80, 264,974.70 and 76,857.80 is: 115,286.70
Step by Step Solution
- Step 1: Write the proportion equation
176,649.80 : 264,974.70 = 76,857.80 : x - Step 2: Convert to fraction form
176,649.80/264,974.70 = 76,857.80/x - Step 3: Cross multiply
176,649.80x = 264,974.70 × 76,857.80 - Step 4: Simplify right side
176,649.80x = 20,365,372,497.66 - Step 5: Solve for x
x = 20,365,372,497.66/176,649.80 - Step 6: Final answer
x = 115,286.70
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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.