Finding the Fourth Proportional to 538,469.72, 743,093.28 and 296,760.99
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Solution
The fourth proportional to 538,469.72, 743,093.28 and 296,760.99 is: 409,532.96
Step by Step Solution
- Step 1: Write the proportion equation
538,469.72 : 743,093.28 = 296,760.99 : x - Step 2: Convert to fraction form
538,469.72/743,093.28 = 296,760.99/x - Step 3: Cross multiply
538,469.72x = 743,093.28 × 296,760.99 - Step 4: Simplify right side
538,469.72x = 220,521,097,435.15 - Step 5: Solve for x
x = 220,521,097,435.15/538,469.72 - Step 6: Final answer
x = 409,532.96
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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.