Finding the Fourth Proportional to 198,722.94, 274,297.68 and 135,097.65
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Solution
The fourth proportional to 198,722.94, 274,297.68 and 135,097.65 is: 186,475.56
Step by Step Solution
- Step 1: Write the proportion equation
198,722.94 : 274,297.68 = 135,097.65 : x - Step 2: Convert to fraction form
198,722.94/274,297.68 = 135,097.65/x - Step 3: Cross multiply
198,722.94x = 274,297.68 × 135,097.65 - Step 4: Simplify right side
198,722.94x = 37,056,971,968.45 - Step 5: Solve for x
x = 37,056,971,968.45/198,722.94 - Step 6: Final answer
x = 186,475.56
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.