Finding the Fourth Proportional to 134,375.38, 201,628.68 and 84,478.98
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Solution
The fourth proportional to 134,375.38, 201,628.68 and 84,478.98 is: 126,759.72
Step by Step Solution
- Step 1: Write the proportion equation
134,375.38 : 201,628.68 = 84,478.98 : x - Step 2: Convert to fraction form
134,375.38/201,628.68 = 84,478.98/x - Step 3: Cross multiply
134,375.38x = 201,628.68 × 84,478.98 - Step 4: Simplify right side
134,375.38x = 17,033,385,225.15 - Step 5: Solve for x
x = 17,033,385,225.15/134,375.38 - Step 6: Final answer
x = 126,759.72
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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.