Finding the Fourth Proportional to 263,872.11, 396,337.59 and 157,463.63
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Solution
The fourth proportional to 263,872.11, 396,337.59 and 157,463.63 is: 236,511.37
Step by Step Solution
- Step 1: Write the proportion equation
263,872.11 : 396,337.59 = 157,463.63 : x - Step 2: Convert to fraction form
263,872.11/396,337.59 = 157,463.63/x - Step 3: Cross multiply
263,872.11x = 396,337.59 × 157,463.63 - Step 4: Simplify right side
263,872.11x = 62,408,753,645.16 - Step 5: Solve for x
x = 62,408,753,645.16/263,872.11 - Step 6: Final answer
x = 236,511.37
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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.