Finding the Fourth Proportional to 374,561.36, 561,919.79 and 125,236.88
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Solution
The fourth proportional to 374,561.36, 561,919.79 and 125,236.88 is: 187,881.31
Step by Step Solution
- Step 1: Write the proportion equation
374,561.36 : 561,919.79 = 125,236.88 : x - Step 2: Convert to fraction form
374,561.36/561,919.79 = 125,236.88/x - Step 3: Cross multiply
374,561.36x = 561,919.79 × 125,236.88 - Step 4: Simplify right side
374,561.36x = 70,373,078,813.35 - Step 5: Solve for x
x = 70,373,078,813.35/374,561.36 - Step 6: Final answer
x = 187,881.31
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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.