Finding the Fourth Proportional to 395,369.63, 545,610.38 and 214,081.68
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Solution
The fourth proportional to 395,369.63, 545,610.38 and 214,081.68 is: 295,432.88
Step by Step Solution
- Step 1: Write the proportion equation
395,369.63 : 545,610.38 = 214,081.68 : x - Step 2: Convert to fraction form
395,369.63/545,610.38 = 214,081.68/x - Step 3: Cross multiply
395,369.63x = 545,610.38 × 214,081.68 - Step 4: Simplify right side
395,369.63x = 116,805,185,705.43 - Step 5: Solve for x
x = 116,805,185,705.43/395,369.63 - Step 6: Final answer
x = 295,432.88
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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.