Finding the Fourth Proportional to 135,272.40, 202,937.40 and 41,787.60
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Solution
The fourth proportional to 135,272.40, 202,937.40 and 41,787.60 is: 62,690.30
Step by Step Solution
- Step 1: Write the proportion equation
135,272.40 : 202,937.40 = 41,787.60 : x - Step 2: Convert to fraction form
135,272.40/202,937.40 = 41,787.60/x - Step 3: Cross multiply
135,272.40x = 202,937.40 × 41,787.60 - Step 4: Simplify right side
135,272.40x = 8,480,266,896.24 - Step 5: Solve for x
x = 8,480,266,896.24/135,272.40 - Step 6: Final answer
x = 62,690.30
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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.