Finding the Fourth Proportional to 68,244.18, 102,377.42 and 21,486.12
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Solution
The fourth proportional to 68,244.18, 102,377.42 and 21,486.12 is: 32,232.69
Step by Step Solution
- Step 1: Write the proportion equation
68,244.18 : 102,377.42 = 21,486.12 : x - Step 2: Convert to fraction form
68,244.18/102,377.42 = 21,486.12/x - Step 3: Cross multiply
68,244.18x = 102,377.42 × 21,486.12 - Step 4: Simplify right side
68,244.18x = 2,199,693,531.41 - Step 5: Solve for x
x = 2,199,693,531.41/68,244.18 - Step 6: Final answer
x = 32,232.69
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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.