Finding the Fourth Proportional to 285,497.87, 428,249.84 and 116,974.94
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Solution
The fourth proportional to 285,497.87, 428,249.84 and 116,974.94 is: 175,463.65
Step by Step Solution
- Step 1: Write the proportion equation
285,497.87 : 428,249.84 = 116,974.94 : x - Step 2: Convert to fraction form
285,497.87/428,249.84 = 116,974.94/x - Step 3: Cross multiply
285,497.87x = 428,249.84 × 116,974.94 - Step 4: Simplify right side
285,497.87x = 50,094,496,612.89 - Step 5: Solve for x
x = 50,094,496,612.89/285,497.87 - Step 6: Final answer
x = 175,463.65
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1.5x scale
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.