Finding the Fourth Proportional to 395,751.28, 592,642.14 and 276,865.96
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Solution
The fourth proportional to 395,751.28, 592,642.14 and 276,865.96 is: 414,609.99
Step by Step Solution
- Step 1: Write the proportion equation
395,751.28 : 592,642.14 = 276,865.96 : x - Step 2: Convert to fraction form
395,751.28/592,642.14 = 276,865.96/x - Step 3: Cross multiply
395,751.28x = 592,642.14 × 276,865.96 - Step 4: Simplify right side
395,751.28x = 164,082,435,027.55 - Step 5: Solve for x
x = 164,082,435,027.55/395,751.28 - Step 6: Final answer
x = 414,609.99
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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.