Finding the Fourth Proportional to 248,170.77, 372,221.02 and 79,668.92
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Solution
The fourth proportional to 248,170.77, 372,221.02 and 79,668.92 is: 119,492.09
Step by Step Solution
- Step 1: Write the proportion equation
248,170.77 : 372,221.02 = 79,668.92 : x - Step 2: Convert to fraction form
248,170.77/372,221.02 = 79,668.92/x - Step 3: Cross multiply
248,170.77x = 372,221.02 × 79,668.92 - Step 4: Simplify right side
248,170.77x = 29,654,445,601.09 - Step 5: Solve for x
x = 29,654,445,601.09/248,170.77 - Step 6: Final answer
x = 119,492.09
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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.