Finding the Fourth Proportional to 202,381.14, 303,516.30 and 76,011.62
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Solution
The fourth proportional to 202,381.14, 303,516.30 and 76,011.62 is: 113,996.62
Step by Step Solution
- Step 1: Write the proportion equation
202,381.14 : 303,516.30 = 76,011.62 : x - Step 2: Convert to fraction form
202,381.14/303,516.30 = 76,011.62/x - Step 3: Cross multiply
202,381.14x = 303,516.30 × 76,011.62 - Step 4: Simplify right side
202,381.14x = 23,070,765,659.41 - Step 5: Solve for x
x = 23,070,765,659.41/202,381.14 - Step 6: Final answer
x = 113,996.62
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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.