Finding the Fourth Proportional to 219,888.15, 303,289.21 and 201,797.29
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Solution
The fourth proportional to 219,888.15, 303,289.21 and 201,797.29 is: 278,336.69
Step by Step Solution
- Step 1: Write the proportion equation
219,888.15 : 303,289.21 = 201,797.29 : x - Step 2: Convert to fraction form
219,888.15/303,289.21 = 201,797.29/x - Step 3: Cross multiply
219,888.15x = 303,289.21 × 201,797.29 - Step 4: Simplify right side
219,888.15x = 61,202,940,664.24 - Step 5: Solve for x
x = 61,202,940,664.24/219,888.15 - Step 6: Final answer
x = 278,336.69
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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.