Finding the Fourth Proportional to 370,609.86, 511,442.05 and 200,843.99
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Solution
The fourth proportional to 370,609.86, 511,442.05 and 200,843.99 is: 277,164.94
Step by Step Solution
- Step 1: Write the proportion equation
370,609.86 : 511,442.05 = 200,843.99 : x - Step 2: Convert to fraction form
370,609.86/511,442.05 = 200,843.99/x - Step 3: Cross multiply
370,609.86x = 511,442.05 × 200,843.99 - Step 4: Simplify right side
370,609.86x = 102,720,061,210.95 - Step 5: Solve for x
x = 102,720,061,210.95/370,609.86 - Step 6: Final answer
x = 277,164.94
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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.