Finding the Fourth Proportional to 114,260.28, 157,514.86 and 80,163.12
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Solution
The fourth proportional to 114,260.28, 157,514.86 and 80,163.12 is: 110,509.82
Step by Step Solution
- Step 1: Write the proportion equation
114,260.28 : 157,514.86 = 80,163.12 : x - Step 2: Convert to fraction form
114,260.28/157,514.86 = 80,163.12/x - Step 3: Cross multiply
114,260.28x = 157,514.86 × 80,163.12 - Step 4: Simplify right side
114,260.28x = 12,626,882,623.96 - Step 5: Solve for x
x = 12,626,882,623.96/114,260.28 - Step 6: Final answer
x = 110,509.82
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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.