Finding the Fourth Proportional to 851,652.76, 1,277,261.22 and 252,473.92
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Solution
The fourth proportional to 851,652.76, 1,277,261.22 and 252,473.92 is: 378,646.28
Step by Step Solution
- Step 1: Write the proportion equation
851,652.76 : 1,277,261.22 = 252,473.92 : x - Step 2: Convert to fraction form
851,652.76/1,277,261.22 = 252,473.92/x - Step 3: Cross multiply
851,652.76x = 1,277,261.22 × 252,473.92 - Step 4: Simplify right side
851,652.76x = 322,475,147,077.38 - Step 5: Solve for x
x = 322,475,147,077.38/851,652.76 - Step 6: Final answer
x = 378,646.28
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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.