Finding the Fourth Proportional to 396,210.43, 546,768.60 and 214,922.44
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Solution
The fourth proportional to 396,210.43, 546,768.60 and 214,922.44 is: 296,591.99
Step by Step Solution
- Step 1: Write the proportion equation
396,210.43 : 546,768.60 = 214,922.44 : x - Step 2: Convert to fraction form
396,210.43/546,768.60 = 214,922.44/x - Step 3: Cross multiply
396,210.43x = 546,768.60 × 214,922.44 - Step 4: Simplify right side
396,210.43x = 117,512,841,627.38 - Step 5: Solve for x
x = 117,512,841,627.38/396,210.43 - Step 6: Final answer
x = 296,591.99
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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.