Finding the Fourth Proportional to 323,697.96, 485,546.94 and 136,711.08
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Solution
The fourth proportional to 323,697.96, 485,546.94 and 136,711.08 is: 205,066.62
Step by Step Solution
- Step 1: Write the proportion equation
323,697.96 : 485,546.94 = 136,711.08 : x - Step 2: Convert to fraction form
323,697.96/485,546.94 = 136,711.08/x - Step 3: Cross multiply
323,697.96x = 485,546.94 × 136,711.08 - Step 4: Simplify right side
323,697.96x = 66,379,646,558.10 - Step 5: Solve for x
x = 66,379,646,558.10/323,697.96 - Step 6: Final answer
x = 205,066.62
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1.5x scale
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.