Finding the Fourth Proportional to 270,272.75, 372,986.91 and 179,472.15
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Solution
The fourth proportional to 270,272.75, 372,986.91 and 179,472.15 is: 247,678.55
Step by Step Solution
- Step 1: Write the proportion equation
270,272.75 : 372,986.91 = 179,472.15 : x - Step 2: Convert to fraction form
270,272.75/372,986.91 = 179,472.15/x - Step 3: Cross multiply
270,272.75x = 372,986.91 × 179,472.15 - Step 4: Simplify right side
270,272.75x = 66,940,762,659.56 - Step 5: Solve for x
x = 66,940,762,659.56/270,272.75 - Step 6: Final answer
x = 247,678.55
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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.