Finding the Fourth Proportional to 201,238.80, 302,052.60 and 122,506.80
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Solution
The fourth proportional to 201,238.80, 302,052.60 and 122,506.80 is: 183,878.54
Step by Step Solution
- Step 1: Write the proportion equation
201,238.80 : 302,052.60 = 122,506.80 : x - Step 2: Convert to fraction form
201,238.80/302,052.60 = 122,506.80/x - Step 3: Cross multiply
201,238.80x = 302,052.60 × 122,506.80 - Step 4: Simplify right side
201,238.80x = 37,003,497,457.68 - Step 5: Solve for x
x = 37,003,497,457.68/201,238.80 - Step 6: Final answer
x = 183,878.54
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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.