Finding the Fourth Proportional to 218,543.84, 327,648.36 and 68,697.44
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Solution
The fourth proportional to 218,543.84, 327,648.36 and 68,697.44 is: 102,993.54
Step by Step Solution
- Step 1: Write the proportion equation
218,543.84 : 327,648.36 = 68,697.44 : x - Step 2: Convert to fraction form
218,543.84/327,648.36 = 68,697.44/x - Step 3: Cross multiply
218,543.84x = 327,648.36 × 68,697.44 - Step 4: Simplify right side
218,543.84x = 22,508,603,552.20 - Step 5: Solve for x
x = 22,508,603,552.20/218,543.84 - Step 6: Final answer
x = 102,993.54
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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.