Finding the Fourth Proportional to 189,652.59, 261,751.19 and 113,175.63
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Solution
The fourth proportional to 189,652.59, 261,751.19 and 113,175.63 is: 156,200.64
Step by Step Solution
- Step 1: Write the proportion equation
189,652.59 : 261,751.19 = 113,175.63 : x - Step 2: Convert to fraction form
189,652.59/261,751.19 = 113,175.63/x - Step 3: Cross multiply
189,652.59x = 261,751.19 × 113,175.63 - Step 4: Simplify right side
189,652.59x = 29,623,855,265.62 - Step 5: Solve for x
x = 29,623,855,265.62/189,652.59 - Step 6: Final answer
x = 156,200.64
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.