Finding the Fourth Proportional to 497,136.97, 686,078.27 and 374,412.84
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Solution
The fourth proportional to 497,136.97, 686,078.27 and 374,412.84 is: 516,711.75
Step by Step Solution
- Step 1: Write the proportion equation
497,136.97 : 686,078.27 = 374,412.84 : x - Step 2: Convert to fraction form
497,136.97/686,078.27 = 374,412.84/x - Step 3: Cross multiply
497,136.97x = 686,078.27 × 374,412.84 - Step 4: Simplify right side
497,136.97x = 256,876,513,532.99 - Step 5: Solve for x
x = 256,876,513,532.99/497,136.97 - Step 6: Final answer
x = 516,711.75
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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.