Finding the Fourth Proportional to 201,268.02, 277,776.14 and 129,855.78
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Solution
The fourth proportional to 201,268.02, 277,776.14 and 129,855.78 is: 179,217.92
Step by Step Solution
- Step 1: Write the proportion equation
201,268.02 : 277,776.14 = 129,855.78 : x - Step 2: Convert to fraction form
201,268.02/277,776.14 = 129,855.78/x - Step 3: Cross multiply
201,268.02x = 277,776.14 × 129,855.78 - Step 4: Simplify right side
201,268.02x = 36,070,836,675.81 - Step 5: Solve for x
x = 36,070,836,675.81/201,268.02 - Step 6: Final answer
x = 179,217.92
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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.