Finding the Fourth Proportional to 162,446.14, 243,078.72 and 134,102.62
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Solution
The fourth proportional to 162,446.14, 243,078.72 and 134,102.62 is: 200,666.47
Step by Step Solution
- Step 1: Write the proportion equation
162,446.14 : 243,078.72 = 134,102.62 : x - Step 2: Convert to fraction form
162,446.14/243,078.72 = 134,102.62/x - Step 3: Cross multiply
162,446.14x = 243,078.72 × 134,102.62 - Step 4: Simplify right side
162,446.14x = 32,597,493,218.25 - Step 5: Solve for x
x = 32,597,493,218.25/162,446.14 - Step 6: Final answer
x = 200,666.47
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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.