Finding the Fourth Proportional to 409,764.42, 565,512.21 and 248,660.46
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Solution
The fourth proportional to 409,764.42, 565,512.21 and 248,660.46 is: 343,174.08
Step by Step Solution
- Step 1: Write the proportion equation
409,764.42 : 565,512.21 = 248,660.46 : x - Step 2: Convert to fraction form
409,764.42/565,512.21 = 248,660.46/x - Step 3: Cross multiply
409,764.42x = 565,512.21 × 248,660.46 - Step 4: Simplify right side
409,764.42x = 140,620,526,274.22 - Step 5: Solve for x
x = 140,620,526,274.22/409,764.42 - Step 6: Final answer
x = 343,174.08
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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.