Finding the Fourth Proportional to 212,285.01, 318,165.07 and 107,134.05
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Solution
The fourth proportional to 212,285.01, 318,165.07 and 107,134.05 is: 160,568.62
Step by Step Solution
- Step 1: Write the proportion equation
212,285.01 : 318,165.07 = 107,134.05 : x - Step 2: Convert to fraction form
212,285.01/318,165.07 = 107,134.05/x - Step 3: Cross multiply
212,285.01x = 318,165.07 × 107,134.05 - Step 4: Simplify right side
212,285.01x = 34,086,310,391.14 - Step 5: Solve for x
x = 34,086,310,391.14/212,285.01 - Step 6: Final answer
x = 160,568.62
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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.