Finding the Fourth Proportional to 260,764.94, 391,143.53 and 71,224.99
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Solution
The fourth proportional to 260,764.94, 391,143.53 and 71,224.99 is: 106,836.42
Step by Step Solution
- Step 1: Write the proportion equation
260,764.94 : 391,143.53 = 71,224.99 : x - Step 2: Convert to fraction form
260,764.94/391,143.53 = 71,224.99/x - Step 3: Cross multiply
260,764.94x = 391,143.53 × 71,224.99 - Step 4: Simplify right side
260,764.94x = 27,859,191,700.97 - Step 5: Solve for x
x = 27,859,191,700.97/260,764.94 - Step 6: Final answer
x = 106,836.42
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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.