Finding the Fourth Proportional to 851,170.20, 1,276,942.14 and 252,178.26
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Solution
The fourth proportional to 851,170.20, 1,276,942.14 and 252,178.26 is: 378,322.75
Step by Step Solution
- Step 1: Write the proportion equation
851,170.20 : 1,276,942.14 = 252,178.26 : x - Step 2: Convert to fraction form
851,170.20/1,276,942.14 = 252,178.26/x - Step 3: Cross multiply
851,170.20x = 1,276,942.14 × 252,178.26 - Step 4: Simplify right side
851,170.20x = 322,017,046,985.88 - Step 5: Solve for x
x = 322,017,046,985.88/851,170.20 - Step 6: Final answer
x = 378,322.75
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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.