Finding the Fourth Proportional to 175,763.38, 263,658.74 and 57,446.68
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Solution
The fourth proportional to 175,763.38, 263,658.74 and 57,446.68 is: 86,174.48
Step by Step Solution
- Step 1: Write the proportion equation
175,763.38 : 263,658.74 = 57,446.68 : x - Step 2: Convert to fraction form
175,763.38/263,658.74 = 57,446.68/x - Step 3: Cross multiply
175,763.38x = 263,658.74 × 57,446.68 - Step 4: Simplify right side
175,763.38x = 15,146,318,072.42 - Step 5: Solve for x
x = 15,146,318,072.42/175,763.38 - Step 6: Final answer
x = 86,174.48
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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.