Finding the Fourth Proportional to 318,626.42, 439,652.99 and 182,635.34
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Solution
The fourth proportional to 318,626.42, 439,652.99 and 182,635.34 is: 252,007.26
Step by Step Solution
- Step 1: Write the proportion equation
318,626.42 : 439,652.99 = 182,635.34 : x - Step 2: Convert to fraction form
318,626.42/439,652.99 = 182,635.34/x - Step 3: Cross multiply
318,626.42x = 439,652.99 × 182,635.34 - Step 4: Simplify right side
318,626.42x = 80,296,170,199.23 - Step 5: Solve for x
x = 80,296,170,199.23/318,626.42 - Step 6: Final answer
x = 252,007.26
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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.