Finding the Fourth Proportional to 454,831.88, 682,245.09 and 117,871.70
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Solution
The fourth proportional to 454,831.88, 682,245.09 and 117,871.70 is: 176,806.84
Step by Step Solution
- Step 1: Write the proportion equation
454,831.88 : 682,245.09 = 117,871.70 : x - Step 2: Convert to fraction form
454,831.88/682,245.09 = 117,871.70/x - Step 3: Cross multiply
454,831.88x = 682,245.09 × 117,871.70 - Step 4: Simplify right side
454,831.88x = 80,417,385,163.73 - Step 5: Solve for x
x = 80,417,385,163.73/454,831.88 - Step 6: Final answer
x = 176,806.84
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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.