Finding the Fourth Proportional to 68,797.68, 103,196.68 and 18,878.44
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Solution
The fourth proportional to 68,797.68, 103,196.68 and 18,878.44 is: 28,317.70
Step by Step Solution
- Step 1: Write the proportion equation
68,797.68 : 103,196.68 = 18,878.44 : x - Step 2: Convert to fraction form
68,797.68/103,196.68 = 18,878.44/x - Step 3: Cross multiply
68,797.68x = 103,196.68 × 18,878.44 - Step 4: Simplify right side
68,797.68x = 1,948,192,331.58 - Step 5: Solve for x
x = 1,948,192,331.58/68,797.68 - Step 6: Final answer
x = 28,317.70
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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.