Finding the Fourth Proportional to 178,310.80, 267,466.20 and 115,325.20
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Solution
The fourth proportional to 178,310.80, 267,466.20 and 115,325.20 is: 172,987.80
Step by Step Solution
- Step 1: Write the proportion equation
178,310.80 : 267,466.20 = 115,325.20 : x - Step 2: Convert to fraction form
178,310.80/267,466.20 = 115,325.20/x - Step 3: Cross multiply
178,310.80x = 267,466.20 × 115,325.20 - Step 4: Simplify right side
178,310.80x = 30,845,593,008.24 - Step 5: Solve for x
x = 30,845,593,008.24/178,310.80 - Step 6: Final answer
x = 172,987.80
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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.