Finding the Fourth Proportional to 135,315.40, 202,973.10 and 41,849.80
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Solution
The fourth proportional to 135,315.40, 202,973.10 and 41,849.80 is: 62,774.70
Step by Step Solution
- Step 1: Write the proportion equation
135,315.40 : 202,973.10 = 41,849.80 : x - Step 2: Convert to fraction form
135,315.40/202,973.10 = 41,849.80/x - Step 3: Cross multiply
135,315.40x = 202,973.10 × 41,849.80 - Step 4: Simplify right side
135,315.40x = 8,494,383,640.38 - Step 5: Solve for x
x = 8,494,383,640.38/135,315.40 - Step 6: Final answer
x = 62,774.70
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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.