Finding the Fourth Proportional to 107,464.70, 161,197.05 and 54,320.60
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Solution
The fourth proportional to 107,464.70, 161,197.05 and 54,320.60 is: 81,480.90
Step by Step Solution
- Step 1: Write the proportion equation
107,464.70 : 161,197.05 = 54,320.60 : x - Step 2: Convert to fraction form
107,464.70/161,197.05 = 54,320.60/x - Step 3: Cross multiply
107,464.70x = 161,197.05 × 54,320.60 - Step 4: Simplify right side
107,464.70x = 8,756,320,474.23 - Step 5: Solve for x
x = 8,756,320,474.23/107,464.70 - Step 6: Final answer
x = 81,480.90
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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.