Finding the Fourth Proportional to 178,415.21, 246,213.33 and 97,843.30
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Solution
The fourth proportional to 178,415.21, 246,213.33 and 97,843.30 is: 135,023.94
Step by Step Solution
- Step 1: Write the proportion equation
178,415.21 : 246,213.33 = 97,843.30 : x - Step 2: Convert to fraction form
178,415.21/246,213.33 = 97,843.30/x - Step 3: Cross multiply
178,415.21x = 246,213.33 × 97,843.30 - Step 4: Simplify right side
178,415.21x = 24,090,324,711.19 - Step 5: Solve for x
x = 24,090,324,711.19/178,415.21 - Step 6: Final answer
x = 135,023.94
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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.