Finding the Fourth Proportional to 186,439.56, 257,285.28 and 101,556.62
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Solution
The fourth proportional to 186,439.56, 257,285.28 and 101,556.62 is: 140,147.42
Step by Step Solution
- Step 1: Write the proportion equation
186,439.56 : 257,285.28 = 101,556.62 : x - Step 2: Convert to fraction form
186,439.56/257,285.28 = 101,556.62/x - Step 3: Cross multiply
186,439.56x = 257,285.28 × 101,556.62 - Step 4: Simplify right side
186,439.56x = 26,129,023,412.55 - Step 5: Solve for x
x = 26,129,023,412.55/186,439.56 - Step 6: Final answer
x = 140,147.42
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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.