Finding the Fourth Proportional to 656,134.70, 984,202.05 and 212,902.70
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Solution
The fourth proportional to 656,134.70, 984,202.05 and 212,902.70 is: 319,354.05
Step by Step Solution
- Step 1: Write the proportion equation
656,134.70 : 984,202.05 = 212,902.70 : x - Step 2: Convert to fraction form
656,134.70/984,202.05 = 212,902.70/x - Step 3: Cross multiply
656,134.70x = 984,202.05 × 212,902.70 - Step 4: Simplify right side
656,134.70x = 209,539,273,790.54 - Step 5: Solve for x
x = 209,539,273,790.54/656,134.70 - Step 6: Final answer
x = 319,354.05
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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.