Finding the Fourth Proportional to 283,826.25, 425,739.38 and 115,438.19
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Solution
The fourth proportional to 283,826.25, 425,739.38 and 115,438.19 is: 173,157.28
Step by Step Solution
- Step 1: Write the proportion equation
283,826.25 : 425,739.38 = 115,438.19 : x - Step 2: Convert to fraction form
283,826.25/425,739.38 = 115,438.19/x - Step 3: Cross multiply
283,826.25x = 425,739.38 × 115,438.19 - Step 4: Simplify right side
283,826.25x = 49,146,580,733.03 - Step 5: Solve for x
x = 49,146,580,733.03/283,826.25 - Step 6: Final answer
x = 173,157.28
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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.