Finding the Fourth Proportional to 68,252.60, 102,381.78 and 33,218.84
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Solution
The fourth proportional to 68,252.60, 102,381.78 and 33,218.84 is: 49,829.66
Step by Step Solution
- Step 1: Write the proportion equation
68,252.60 : 102,381.78 = 33,218.84 : x - Step 2: Convert to fraction form
68,252.60/102,381.78 = 33,218.84/x - Step 3: Cross multiply
68,252.60x = 102,381.78 × 33,218.84 - Step 4: Simplify right side
68,252.60x = 3,401,003,968.74 - Step 5: Solve for x
x = 3,401,003,968.74/68,252.60 - Step 6: Final answer
x = 49,829.66
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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.