Finding the Fourth Proportional to 282,476.12, 423,779.38 and 82,811.92
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Solution
The fourth proportional to 282,476.12, 423,779.38 and 82,811.92 is: 124,236.99
Step by Step Solution
- Step 1: Write the proportion equation
282,476.12 : 423,779.38 = 82,811.92 : x - Step 2: Convert to fraction form
282,476.12/423,779.38 = 82,811.92/x - Step 3: Cross multiply
282,476.12x = 423,779.38 × 82,811.92 - Step 4: Simplify right side
282,476.12x = 35,093,984,114.21 - Step 5: Solve for x
x = 35,093,984,114.21/282,476.12 - Step 6: Final answer
x = 124,236.99
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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.