Finding the Fourth Proportional to 147,135.44, 220,725.12 and 68,257.64
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Solution
The fourth proportional to 147,135.44, 220,725.12 and 68,257.64 is: 102,396.65
Step by Step Solution
- Step 1: Write the proportion equation
147,135.44 : 220,725.12 = 68,257.64 : x - Step 2: Convert to fraction form
147,135.44/220,725.12 = 68,257.64/x - Step 3: Cross multiply
147,135.44x = 220,725.12 × 68,257.64 - Step 4: Simplify right side
147,135.44x = 15,066,175,779.92 - Step 5: Solve for x
x = 15,066,175,779.92/147,135.44 - Step 6: Final answer
x = 102,396.65
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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.