Finding the Fourth Proportional to 178,659.44, 267,638.88 and 103,621.94
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Solution
The fourth proportional to 178,659.44, 267,638.88 and 103,621.94 is: 155,229.75
Step by Step Solution
- Step 1: Write the proportion equation
178,659.44 : 267,638.88 = 103,621.94 : x - Step 2: Convert to fraction form
178,659.44/267,638.88 = 103,621.94/x - Step 3: Cross multiply
178,659.44x = 267,638.88 × 103,621.94 - Step 4: Simplify right side
178,659.44x = 27,733,259,965.03 - Step 5: Solve for x
x = 27,733,259,965.03/178,659.44 - Step 6: Final answer
x = 155,229.75
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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.