Finding the Fourth Proportional to 374,771.91, 561,257.10 and 214,361.54
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Solution
The fourth proportional to 374,771.91, 561,257.10 and 214,361.54 is: 321,027.09
Step by Step Solution
- Step 1: Write the proportion equation
374,771.91 : 561,257.10 = 214,361.54 : x - Step 2: Convert to fraction form
374,771.91/561,257.10 = 214,361.54/x - Step 3: Cross multiply
374,771.91x = 561,257.10 × 214,361.54 - Step 4: Simplify right side
374,771.91x = 120,311,935,590.36 - Step 5: Solve for x
x = 120,311,935,590.36/374,771.91 - Step 6: Final answer
x = 321,027.09
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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.