Finding the Fourth Proportional to 147,028.98, 202,922.64 and 83,353.26
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Solution
The fourth proportional to 147,028.98, 202,922.64 and 83,353.26 is: 115,040.34
Step by Step Solution
- Step 1: Write the proportion equation
147,028.98 : 202,922.64 = 83,353.26 : x - Step 2: Convert to fraction form
147,028.98/202,922.64 = 83,353.26/x - Step 3: Cross multiply
147,028.98x = 202,922.64 × 83,353.26 - Step 4: Simplify right side
147,028.98x = 16,914,263,571.81 - Step 5: Solve for x
x = 16,914,263,571.81/147,028.98 - Step 6: Final answer
x = 115,040.34
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.