Finding the Fourth Proportional to 134,758.70, 202,138.05 and 41,252.30
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Solution
The fourth proportional to 134,758.70, 202,138.05 and 41,252.30 is: 61,878.45
Step by Step Solution
- Step 1: Write the proportion equation
134,758.70 : 202,138.05 = 41,252.30 : x - Step 2: Convert to fraction form
134,758.70/202,138.05 = 41,252.30/x - Step 3: Cross multiply
134,758.70x = 202,138.05 × 41,252.30 - Step 4: Simplify right side
134,758.70x = 8,338,659,480.02 - Step 5: Solve for x
x = 8,338,659,480.02/134,758.70 - Step 6: Final answer
x = 61,878.45
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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.