Finding the Fourth Proportional to 193,990.08, 267,778.80 and 126,922.08
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Solution
The fourth proportional to 193,990.08, 267,778.80 and 126,922.08 is: 175,199.90
Step by Step Solution
- Step 1: Write the proportion equation
193,990.08 : 267,778.80 = 126,922.08 : x - Step 2: Convert to fraction form
193,990.08/267,778.80 = 126,922.08/x - Step 3: Cross multiply
193,990.08x = 267,778.80 × 126,922.08 - Step 4: Simplify right side
193,990.08x = 33,987,042,275.90 - Step 5: Solve for x
x = 33,987,042,275.90/193,990.08 - Step 6: Final answer
x = 175,199.90
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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.