Finding the Fourth Proportional to 439,049.60, 658,524.09 and 114,868.99
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Solution
The fourth proportional to 439,049.60, 658,524.09 and 114,868.99 is: 172,290.32
Step by Step Solution
- Step 1: Write the proportion equation
439,049.60 : 658,524.09 = 114,868.99 : x - Step 2: Convert to fraction form
439,049.60/658,524.09 = 114,868.99/x - Step 3: Cross multiply
439,049.60x = 658,524.09 × 114,868.99 - Step 4: Simplify right side
439,049.60x = 75,643,997,108.97 - Step 5: Solve for x
x = 75,643,997,108.97/439,049.60 - Step 6: Final answer
x = 172,290.32
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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.