Finding the Fourth Proportional to 311,181.10, 429,525.11 and 182,149.75
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Solution
The fourth proportional to 311,181.10, 429,525.11 and 182,149.75 is: 251,422.38
Step by Step Solution
- Step 1: Write the proportion equation
311,181.10 : 429,525.11 = 182,149.75 : x - Step 2: Convert to fraction form
311,181.10/429,525.11 = 182,149.75/x - Step 3: Cross multiply
311,181.10x = 429,525.11 × 182,149.75 - Step 4: Simplify right side
311,181.10x = 78,237,892,397.50 - Step 5: Solve for x
x = 78,237,892,397.50/311,181.10 - Step 6: Final answer
x = 251,422.38
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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.