Finding the Fourth Proportional to 356,939.10, 492,589.62 and 195,800.94
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Solution
The fourth proportional to 356,939.10, 492,589.62 and 195,800.94 is: 270,212.79
Step by Step Solution
- Step 1: Write the proportion equation
356,939.10 : 492,589.62 = 195,800.94 : x - Step 2: Convert to fraction form
356,939.10/492,589.62 = 195,800.94/x - Step 3: Cross multiply
356,939.10x = 492,589.62 × 195,800.94 - Step 4: Simplify right side
356,939.10x = 96,449,510,630.24 - Step 5: Solve for x
x = 96,449,510,630.24/356,939.10 - Step 6: Final answer
x = 270,212.79
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.