Finding the Fourth Proportional to 269,911.74, 404,796.86 and 80,321.26
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Solution
The fourth proportional to 269,911.74, 404,796.86 and 80,321.26 is: 120,460.84
Step by Step Solution
- Step 1: Write the proportion equation
269,911.74 : 404,796.86 = 80,321.26 : x - Step 2: Convert to fraction form
269,911.74/404,796.86 = 80,321.26/x - Step 3: Cross multiply
269,911.74x = 404,796.86 × 80,321.26 - Step 4: Simplify right side
269,911.74x = 32,513,793,839.24 - Step 5: Solve for x
x = 32,513,793,839.24/269,911.74 - Step 6: Final answer
x = 120,460.84
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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.