Finding the Fourth Proportional to 317,179.89, 437,728.19 and 173,939.99
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Solution
The fourth proportional to 317,179.89, 437,728.19 and 173,939.99 is: 240,048.11
Step by Step Solution
- Step 1: Write the proportion equation
317,179.89 : 437,728.19 = 173,939.99 : x - Step 2: Convert to fraction form
317,179.89/437,728.19 = 173,939.99/x - Step 3: Cross multiply
317,179.89x = 437,728.19 × 173,939.99 - Step 4: Simplify right side
317,179.89x = 76,138,433,932.98 - Step 5: Solve for x
x = 76,138,433,932.98/317,179.89 - Step 6: Final answer
x = 240,048.11
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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.