Finding the Fourth Proportional to 338,711.09, 467,442.29 and 187,808.09
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Solution
The fourth proportional to 338,711.09, 467,442.29 and 187,808.09 is: 259,186.80
Step by Step Solution
- Step 1: Write the proportion equation
338,711.09 : 467,442.29 = 187,808.09 : x - Step 2: Convert to fraction form
338,711.09/467,442.29 = 187,808.09/x - Step 3: Cross multiply
338,711.09x = 467,442.29 × 187,808.09 - Step 4: Simplify right side
338,711.09x = 87,789,441,802.43 - Step 5: Solve for x
x = 87,789,441,802.43/338,711.09 - Step 6: Final answer
x = 259,186.80
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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.