Finding the Fourth Proportional to 282,480.14, 423,785.40 and 82,815.92
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Solution
The fourth proportional to 282,480.14, 423,785.40 and 82,815.92 is: 124,242.99
Step by Step Solution
- Step 1: Write the proportion equation
282,480.14 : 423,785.40 = 82,815.92 : x - Step 2: Convert to fraction form
282,480.14/423,785.40 = 82,815.92/x - Step 3: Cross multiply
282,480.14x = 423,785.40 × 82,815.92 - Step 4: Simplify right side
282,480.14x = 35,096,177,783.57 - Step 5: Solve for x
x = 35,096,177,783.57/282,480.14 - Step 6: Final answer
x = 124,242.99
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1.5x scale
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.