Finding the Fourth Proportional to 465,640.99, 642,586.77 and 272,059.70
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Solution
The fourth proportional to 465,640.99, 642,586.77 and 272,059.70 is: 375,443.67
Step by Step Solution
- Step 1: Write the proportion equation
465,640.99 : 642,586.77 = 272,059.70 : x - Step 2: Convert to fraction form
465,640.99/642,586.77 = 272,059.70/x - Step 3: Cross multiply
465,640.99x = 642,586.77 × 272,059.70 - Step 4: Simplify right side
465,640.99x = 174,821,960,657.24 - Step 5: Solve for x
x = 174,821,960,657.24/465,640.99 - Step 6: Final answer
x = 375,443.67
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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.