Finding the Fourth Proportional to 372,546.16, 558,902.56 and 135,888.84
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Solution
The fourth proportional to 372,546.16, 558,902.56 and 135,888.84 is: 203,863.65
Step by Step Solution
- Step 1: Write the proportion equation
372,546.16 : 558,902.56 = 135,888.84 : x - Step 2: Convert to fraction form
372,546.16/558,902.56 = 135,888.84/x - Step 3: Cross multiply
372,546.16x = 558,902.56 × 135,888.84 - Step 4: Simplify right side
372,546.16x = 75,948,620,551.43 - Step 5: Solve for x
x = 75,948,620,551.43/372,546.16 - Step 6: Final answer
x = 203,863.65
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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.