Finding the Fourth Proportional to 276,954.42, 382,197.37 and 149,630.12
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Solution
The fourth proportional to 276,954.42, 382,197.37 and 149,630.12 is: 206,489.70
Step by Step Solution
- Step 1: Write the proportion equation
276,954.42 : 382,197.37 = 149,630.12 : x - Step 2: Convert to fraction form
276,954.42/382,197.37 = 149,630.12/x - Step 3: Cross multiply
276,954.42x = 382,197.37 × 149,630.12 - Step 4: Simplify right side
276,954.42x = 57,188,236,425.80 - Step 5: Solve for x
x = 57,188,236,425.80/276,954.42 - Step 6: Final answer
x = 206,489.70
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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.