Finding the Fourth Proportional to 188,276.68, 282,453.92 and 55,161.28
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Solution
The fourth proportional to 188,276.68, 282,453.92 and 55,161.28 is: 82,753.32
Step by Step Solution
- Step 1: Write the proportion equation
188,276.68 : 282,453.92 = 55,161.28 : x - Step 2: Convert to fraction form
188,276.68/282,453.92 = 55,161.28/x - Step 3: Cross multiply
188,276.68x = 282,453.92 × 55,161.28 - Step 4: Simplify right side
188,276.68x = 15,580,519,768.22 - Step 5: Solve for x
x = 15,580,519,768.22/188,276.68 - Step 6: Final answer
x = 82,753.32
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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.