Finding the Fourth Proportional to 80,764.16, 121,163.54 and 24,608.80
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Solution
The fourth proportional to 80,764.16, 121,163.54 and 24,608.80 is: 36,918.46
Step by Step Solution
- Step 1: Write the proportion equation
80,764.16 : 121,163.54 = 24,608.80 : x - Step 2: Convert to fraction form
80,764.16/121,163.54 = 24,608.80/x - Step 3: Cross multiply
80,764.16x = 121,163.54 × 24,608.80 - Step 4: Simplify right side
80,764.16x = 2,981,688,897.20 - Step 5: Solve for x
x = 2,981,688,897.20/80,764.16 - Step 6: Final answer
x = 36,918.46
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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.