Finding the Fourth Proportional to 148,229.73, 204,555.38 and 80,245.08
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Solution
The fourth proportional to 148,229.73, 204,555.38 and 80,245.08 is: 110,737.32
Step by Step Solution
- Step 1: Write the proportion equation
148,229.73 : 204,555.38 = 80,245.08 : x - Step 2: Convert to fraction form
148,229.73/204,555.38 = 80,245.08/x - Step 3: Cross multiply
148,229.73x = 204,555.38 × 80,245.08 - Step 4: Simplify right side
148,229.73x = 16,414,562,431.31 - Step 5: Solve for x
x = 16,414,562,431.31/148,229.73 - Step 6: Final answer
x = 110,737.32
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1.5x scale
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.