Finding the Fourth Proportional to 75,437.70, 113,177.73 and 22,130.94
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Solution
The fourth proportional to 75,437.70, 113,177.73 and 22,130.94 is: 33,202.62
Step by Step Solution
- Step 1: Write the proportion equation
75,437.70 : 113,177.73 = 22,130.94 : x - Step 2: Convert to fraction form
75,437.70/113,177.73 = 22,130.94/x - Step 3: Cross multiply
75,437.70x = 113,177.73 × 22,130.94 - Step 4: Simplify right side
75,437.70x = 2,504,729,551.97 - Step 5: Solve for x
x = 2,504,729,551.97/75,437.70 - Step 6: Final answer
x = 33,202.62
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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.