Finding the Fourth Proportional to 80,822.25, 121,230.54 and 24,660.09
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Solution
The fourth proportional to 80,822.25, 121,230.54 and 24,660.09 is: 36,989.27
Step by Step Solution
- Step 1: Write the proportion equation
80,822.25 : 121,230.54 = 24,660.09 : x - Step 2: Convert to fraction form
80,822.25/121,230.54 = 24,660.09/x - Step 3: Cross multiply
80,822.25x = 121,230.54 × 24,660.09 - Step 4: Simplify right side
80,822.25x = 2,989,556,027.15 - Step 5: Solve for x
x = 2,989,556,027.15/80,822.25 - Step 6: Final answer
x = 36,989.27
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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.