Finding the Fourth Proportional to 201,723.57, 278,235.27 and 132,729.53
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Solution
The fourth proportional to 201,723.57, 278,235.27 and 132,729.53 is: 183,072.49
Step by Step Solution
- Step 1: Write the proportion equation
201,723.57 : 278,235.27 = 132,729.53 : x - Step 2: Convert to fraction form
201,723.57/278,235.27 = 132,729.53/x - Step 3: Cross multiply
201,723.57x = 278,235.27 × 132,729.53 - Step 4: Simplify right side
201,723.57x = 36,930,036,616.52 - Step 5: Solve for x
x = 36,930,036,616.52/201,723.57 - Step 6: Final answer
x = 183,072.49
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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.