Finding the Fourth Proportional to 481,551.80, 722,327.70 and 126,601.70
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Solution
The fourth proportional to 481,551.80, 722,327.70 and 126,601.70 is: 189,902.55
Step by Step Solution
- Step 1: Write the proportion equation
481,551.80 : 722,327.70 = 126,601.70 : x - Step 2: Convert to fraction form
481,551.80/722,327.70 = 126,601.70/x - Step 3: Cross multiply
481,551.80x = 722,327.70 × 126,601.70 - Step 4: Simplify right side
481,551.80x = 91,447,914,777.09 - Step 5: Solve for x
x = 91,447,914,777.09/481,551.80 - Step 6: Final answer
x = 189,902.55
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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.