Finding the Fourth Proportional to 134,728.20, 202,165.20 and 55,850.40
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Solution
The fourth proportional to 134,728.20, 202,165.20 and 55,850.40 is: 83,805.82
Step by Step Solution
- Step 1: Write the proportion equation
134,728.20 : 202,165.20 = 55,850.40 : x - Step 2: Convert to fraction form
134,728.20/202,165.20 = 55,850.40/x - Step 3: Cross multiply
134,728.20x = 202,165.20 × 55,850.40 - Step 4: Simplify right side
134,728.20x = 11,291,007,286.08 - Step 5: Solve for x
x = 11,291,007,286.08/134,728.20 - Step 6: Final answer
x = 83,805.82
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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.