Finding the Fourth Proportional to 186,751.36, 280,119.75 and 53,631.10
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Solution
The fourth proportional to 186,751.36, 280,119.75 and 53,631.10 is: 80,444.56
Step by Step Solution
- Step 1: Write the proportion equation
186,751.36 : 280,119.75 = 53,631.10 : x - Step 2: Convert to fraction form
186,751.36/280,119.75 = 53,631.10/x - Step 3: Cross multiply
186,751.36x = 280,119.75 × 53,631.10 - Step 4: Simplify right side
186,751.36x = 15,023,130,324.23 - Step 5: Solve for x
x = 15,023,130,324.23/186,751.36 - Step 6: Final answer
x = 80,444.56
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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.