Finding the Fourth Proportional to 75,470.44, 113,177.40 and 22,151.44
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Solution
The fourth proportional to 75,470.44, 113,177.40 and 22,151.44 is: 33,218.87
Step by Step Solution
- Step 1: Write the proportion equation
75,470.44 : 113,177.40 = 22,151.44 : x - Step 2: Convert to fraction form
75,470.44/113,177.40 = 22,151.44/x - Step 3: Cross multiply
75,470.44x = 113,177.40 × 22,151.44 - Step 4: Simplify right side
75,470.44x = 2,507,042,385.46 - Step 5: Solve for x
x = 2,507,042,385.46/75,470.44 - Step 6: Final answer
x = 33,218.87
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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.