Finding the Fourth Proportional to 374,709.44, 561,768.88 and 137,922.96
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Solution
The fourth proportional to 374,709.44, 561,768.88 and 137,922.96 is: 206,775.75
Step by Step Solution
- Step 1: Write the proportion equation
374,709.44 : 561,768.88 = 137,922.96 : x - Step 2: Convert to fraction form
374,709.44/561,768.88 = 137,922.96/x - Step 3: Cross multiply
374,709.44x = 561,768.88 × 137,922.96 - Step 4: Simplify right side
374,709.44x = 77,480,826,765.48 - Step 5: Solve for x
x = 77,480,826,765.48/374,709.44 - Step 6: Final answer
x = 206,775.75
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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.