Finding the Fourth Proportional to 135,287.10, 202,709.00 and 72,040.07
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Solution
The fourth proportional to 135,287.10, 202,709.00 and 72,040.07 is: 107,942.07
Step by Step Solution
- Step 1: Write the proportion equation
135,287.10 : 202,709.00 = 72,040.07 : x - Step 2: Convert to fraction form
135,287.10/202,709.00 = 72,040.07/x - Step 3: Cross multiply
135,287.10x = 202,709.00 × 72,040.07 - Step 4: Simplify right side
135,287.10x = 14,603,169,175.88 - Step 5: Solve for x
x = 14,603,169,175.88/135,287.10 - Step 6: Final answer
x = 107,942.07
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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.