Finding the Fourth Proportional to 416,717.97, 625,136.54 and 128,553.99
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Solution
The fourth proportional to 416,717.97, 625,136.54 and 128,553.99 is: 192,849.36
Step by Step Solution
- Step 1: Write the proportion equation
416,717.97 : 625,136.54 = 128,553.99 : x - Step 2: Convert to fraction form
416,717.97/625,136.54 = 128,553.99/x - Step 3: Cross multiply
416,717.97x = 625,136.54 × 128,553.99 - Step 4: Simplify right side
416,717.97x = 80,363,793,524.76 - Step 5: Solve for x
x = 80,363,793,524.76/416,717.97 - Step 6: Final answer
x = 192,849.36
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.