Finding the Fourth Proportional to 203,544.29, 280,854.81 and 122,917.84
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Solution
The fourth proportional to 203,544.29, 280,854.81 and 122,917.84 is: 169,604.69
Step by Step Solution
- Step 1: Write the proportion equation
203,544.29 : 280,854.81 = 122,917.84 : x - Step 2: Convert to fraction form
203,544.29/280,854.81 = 122,917.84/x - Step 3: Cross multiply
203,544.29x = 280,854.81 × 122,917.84 - Step 4: Simplify right side
203,544.29x = 34,522,065,896.67 - Step 5: Solve for x
x = 34,522,065,896.67/203,544.29 - Step 6: Final answer
x = 169,604.69
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1.5x scale
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.