Finding the Fourth Proportional to 82,838.24, 124,258.80 and 27,435.68
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Solution
The fourth proportional to 82,838.24, 124,258.80 and 27,435.68 is: 41,154.00
Step by Step Solution
- Step 1: Write the proportion equation
82,838.24 : 124,258.80 = 27,435.68 : x - Step 2: Convert to fraction form
82,838.24/124,258.80 = 27,435.68/x - Step 3: Cross multiply
82,838.24x = 124,258.80 × 27,435.68 - Step 4: Simplify right side
82,838.24x = 3,409,124,673.98 - Step 5: Solve for x
x = 3,409,124,673.98/82,838.24 - Step 6: Final answer
x = 41,154.00
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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.