Finding the Fourth Proportional to 263,147.74, 363,184.84 and 172,765.87
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Solution
The fourth proportional to 263,147.74, 363,184.84 and 172,765.87 is: 238,443.79
Step by Step Solution
- Step 1: Write the proportion equation
263,147.74 : 363,184.84 = 172,765.87 : x - Step 2: Convert to fraction form
263,147.74/363,184.84 = 172,765.87/x - Step 3: Cross multiply
263,147.74x = 363,184.84 × 172,765.87 - Step 4: Simplify right side
263,147.74x = 62,745,944,853.41 - Step 5: Solve for x
x = 62,745,944,853.41/263,147.74 - Step 6: Final answer
x = 238,443.79
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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.