Finding the Fourth Proportional to 162,375.84, 243,170.12 and 112,315.44
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Solution
The fourth proportional to 162,375.84, 243,170.12 and 112,315.44 is: 168,200.88
Step by Step Solution
- Step 1: Write the proportion equation
162,375.84 : 243,170.12 = 112,315.44 : x - Step 2: Convert to fraction form
162,375.84/243,170.12 = 112,315.44/x - Step 3: Cross multiply
162,375.84x = 243,170.12 × 112,315.44 - Step 4: Simplify right side
162,375.84x = 27,311,759,022.65 - Step 5: Solve for x
x = 27,311,759,022.65/162,375.84 - Step 6: Final answer
x = 168,200.88
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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.