Finding the Fourth Proportional to 378,632.64, 567,735.84 and 125,777.76
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Solution
The fourth proportional to 378,632.64, 567,735.84 and 125,777.76 is: 188,595.84
Step by Step Solution
- Step 1: Write the proportion equation
378,632.64 : 567,735.84 = 125,777.76 : x - Step 2: Convert to fraction form
378,632.64/567,735.84 = 125,777.76/x - Step 3: Cross multiply
378,632.64x = 567,735.84 × 125,777.76 - Step 4: Simplify right side
378,632.64x = 71,408,542,226.92 - Step 5: Solve for x
x = 71,408,542,226.92/378,632.64 - Step 6: Final answer
x = 188,595.84
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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.