Finding the Fourth Proportional to 160,571.99, 221,589.35 and 88,956.65
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Solution
The fourth proportional to 160,571.99, 221,589.35 and 88,956.65 is: 122,760.18
Step by Step Solution
- Step 1: Write the proportion equation
160,571.99 : 221,589.35 = 88,956.65 : x - Step 2: Convert to fraction form
160,571.99/221,589.35 = 88,956.65/x - Step 3: Cross multiply
160,571.99x = 221,589.35 × 88,956.65 - Step 4: Simplify right side
160,571.99x = 19,711,846,251.68 - Step 5: Solve for x
x = 19,711,846,251.68/160,571.99 - Step 6: Final answer
x = 122,760.18
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.