Finding the Fourth Proportional to 395,680.10, 546,036.64 and 214,391.99
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Solution
The fourth proportional to 395,680.10, 546,036.64 and 214,391.99 is: 295,859.92
Step by Step Solution
- Step 1: Write the proportion equation
395,680.10 : 546,036.64 = 214,391.99 : x - Step 2: Convert to fraction form
395,680.10/546,036.64 = 214,391.99/x - Step 3: Cross multiply
395,680.10x = 546,036.64 × 214,391.99 - Step 4: Simplify right side
395,680.10x = 117,065,882,691.63 - Step 5: Solve for x
x = 117,065,882,691.63/395,680.10 - Step 6: Final answer
x = 295,859.92
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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.