Finding the Fourth Proportional to 397,274.70, 595,912.05 and 255,557.10
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Solution
The fourth proportional to 397,274.70, 595,912.05 and 255,557.10 is: 383,335.65
Step by Step Solution
- Step 1: Write the proportion equation
397,274.70 : 595,912.05 = 255,557.10 : x - Step 2: Convert to fraction form
397,274.70/595,912.05 = 255,557.10/x - Step 3: Cross multiply
397,274.70x = 595,912.05 × 255,557.10 - Step 4: Simplify right side
397,274.70x = 152,289,555,353.06 - Step 5: Solve for x
x = 152,289,555,353.06/397,274.70 - Step 6: Final answer
x = 383,335.65
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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.