Finding the Fourth Proportional to 216,995.19, 325,476.58 and 67,236.63
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Solution
The fourth proportional to 216,995.19, 325,476.58 and 67,236.63 is: 100,849.92
Step by Step Solution
- Step 1: Write the proportion equation
216,995.19 : 325,476.58 = 67,236.63 : x - Step 2: Convert to fraction form
216,995.19/325,476.58 = 67,236.63/x - Step 3: Cross multiply
216,995.19x = 325,476.58 × 67,236.63 - Step 4: Simplify right side
216,995.19x = 21,883,948,383.13 - Step 5: Solve for x
x = 21,883,948,383.13/216,995.19 - Step 6: Final answer
x = 100,849.92
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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.