Finding the Fourth Proportional to 80,814.94, 121,240.78 and 24,660.08
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Solution
The fourth proportional to 80,814.94, 121,240.78 and 24,660.08 is: 36,995.73
Step by Step Solution
- Step 1: Write the proportion equation
80,814.94 : 121,240.78 = 24,660.08 : x - Step 2: Convert to fraction form
80,814.94/121,240.78 = 24,660.08/x - Step 3: Cross multiply
80,814.94x = 121,240.78 × 24,660.08 - Step 4: Simplify right side
80,814.94x = 2,989,807,334.06 - Step 5: Solve for x
x = 2,989,807,334.06/80,814.94 - Step 6: Final answer
x = 36,995.73
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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.