Finding the Fourth Proportional to 481,605.75, 722,351.11 and 126,647.41
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Solution
The fourth proportional to 481,605.75, 722,351.11 and 126,647.41 is: 189,955.99
Step by Step Solution
- Step 1: Write the proportion equation
481,605.75 : 722,351.11 = 126,647.41 : x - Step 2: Convert to fraction form
481,605.75/722,351.11 = 126,647.41/x - Step 3: Cross multiply
481,605.75x = 722,351.11 × 126,647.41 - Step 4: Simplify right side
481,605.75x = 91,483,897,192.13 - Step 5: Solve for x
x = 91,483,897,192.13/481,605.75 - Step 6: Final answer
x = 189,955.99
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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.