Finding the Fourth Proportional to 178,142.40, 245,840.49 and 101,659.97
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Solution
The fourth proportional to 178,142.40, 245,840.49 and 101,659.97 is: 140,293.02
Step by Step Solution
- Step 1: Write the proportion equation
178,142.40 : 245,840.49 = 101,659.97 : x - Step 2: Convert to fraction form
178,142.40/245,840.49 = 101,659.97/x - Step 3: Cross multiply
178,142.40x = 245,840.49 × 101,659.97 - Step 4: Simplify right side
178,142.40x = 24,992,135,608.98 - Step 5: Solve for x
x = 24,992,135,608.98/178,142.40 - Step 6: Final answer
x = 140,293.02
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.