Finding the Fourth Proportional to 396,136.09, 546,582.29 and 235,044.44
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Solution
The fourth proportional to 396,136.09, 546,582.29 and 235,044.44 is: 324,310.59
Step by Step Solution
- Step 1: Write the proportion equation
396,136.09 : 546,582.29 = 235,044.44 : x - Step 2: Convert to fraction form
396,136.09/546,582.29 = 235,044.44/x - Step 3: Cross multiply
396,136.09x = 546,582.29 × 235,044.44 - Step 4: Simplify right side
396,136.09x = 128,471,128,266.97 - Step 5: Solve for x
x = 128,471,128,266.97/396,136.09 - Step 6: Final answer
x = 324,310.59
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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.