Finding the Fourth Proportional to 374,578.88, 561,751.20 and 125,202.56
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Solution
The fourth proportional to 374,578.88, 561,751.20 and 125,202.56 is: 187,764.69
Step by Step Solution
- Step 1: Write the proportion equation
374,578.88 : 561,751.20 = 125,202.56 : x - Step 2: Convert to fraction form
374,578.88/561,751.20 = 125,202.56/x - Step 3: Cross multiply
374,578.88x = 561,751.20 × 125,202.56 - Step 4: Simplify right side
374,578.88x = 70,332,688,323.07 - Step 5: Solve for x
x = 70,332,688,323.07/374,578.88 - Step 6: Final answer
x = 187,764.69
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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.