Finding the Fourth Proportional to 216,121.05, 324,156.06 and 58,361.81
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Solution
The fourth proportional to 216,121.05, 324,156.06 and 58,361.81 is: 87,535.82
Step by Step Solution
- Step 1: Write the proportion equation
216,121.05 : 324,156.06 = 58,361.81 : x - Step 2: Convert to fraction form
216,121.05/324,156.06 = 58,361.81/x - Step 3: Cross multiply
216,121.05x = 324,156.06 × 58,361.81 - Step 4: Simplify right side
216,121.05x = 18,918,332,763.29 - Step 5: Solve for x
x = 18,918,332,763.29/216,121.05 - Step 6: Final answer
x = 87,535.82
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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.