Finding the Fourth Proportional to 87,449.49, 131,197.14 and 27,475.54
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Solution
The fourth proportional to 87,449.49, 131,197.14 and 27,475.54 is: 41,220.50
Step by Step Solution
- Step 1: Write the proportion equation
87,449.49 : 131,197.14 = 27,475.54 : x - Step 2: Convert to fraction form
87,449.49/131,197.14 = 27,475.54/x - Step 3: Cross multiply
87,449.49x = 131,197.14 × 27,475.54 - Step 4: Simplify right side
87,449.49x = 3,604,711,849.81 - Step 5: Solve for x
x = 3,604,711,849.81/87,449.49 - Step 6: Final answer
x = 41,220.50
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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.