Finding the Fourth Proportional to 134,264.10, 201,450.88 and 86,286.44
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Solution
The fourth proportional to 134,264.10, 201,450.88 and 86,286.44 is: 129,464.83
Step by Step Solution
- Step 1: Write the proportion equation
134,264.10 : 201,450.88 = 86,286.44 : x - Step 2: Convert to fraction form
134,264.10/201,450.88 = 86,286.44/x - Step 3: Cross multiply
134,264.10x = 201,450.88 × 86,286.44 - Step 4: Simplify right side
134,264.10x = 17,382,479,270.07 - Step 5: Solve for x
x = 17,382,479,270.07/134,264.10 - Step 6: Final answer
x = 129,464.83
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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.