Finding the Fourth Proportional to 374,561.11, 561,919.42 and 125,236.63
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Solution
The fourth proportional to 374,561.11, 561,919.42 and 125,236.63 is: 187,880.94
Step by Step Solution
- Step 1: Write the proportion equation
374,561.11 : 561,919.42 = 125,236.63 : x - Step 2: Convert to fraction form
374,561.11/561,919.42 = 125,236.63/x - Step 3: Cross multiply
374,561.11x = 561,919.42 × 125,236.63 - Step 4: Simplify right side
374,561.11x = 70,372,891,682.76 - Step 5: Solve for x
x = 70,372,891,682.76/374,561.11 - Step 6: Final answer
x = 187,880.94
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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.