Finding the Fourth Proportional to 201,228.80, 302,037.60 and 122,496.80
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Solution
The fourth proportional to 201,228.80, 302,037.60 and 122,496.80 is: 183,863.54
Step by Step Solution
- Step 1: Write the proportion equation
201,228.80 : 302,037.60 = 122,496.80 : x - Step 2: Convert to fraction form
201,228.80/302,037.60 = 122,496.80/x - Step 3: Cross multiply
201,228.80x = 302,037.60 × 122,496.80 - Step 4: Simplify right side
201,228.80x = 36,998,639,479.68 - Step 5: Solve for x
x = 36,998,639,479.68/201,228.80 - Step 6: Final answer
x = 183,863.54
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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.