Finding the Fourth Proportional to 269,179.63, 403,629.76 and 79,615.08
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Solution
The fourth proportional to 269,179.63, 403,629.76 and 79,615.08 is: 119,381.31
Step by Step Solution
- Step 1: Write the proportion equation
269,179.63 : 403,629.76 = 79,615.08 : x - Step 2: Convert to fraction form
269,179.63/403,629.76 = 79,615.08/x - Step 3: Cross multiply
269,179.63x = 403,629.76 × 79,615.08 - Step 4: Simplify right side
269,179.63x = 32,135,015,632.78 - Step 5: Solve for x
x = 32,135,015,632.78/269,179.63 - Step 6: Final answer
x = 119,381.31
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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.