Finding the Fourth Proportional to 182,023.80, 273,035.70 and 128,879.70
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Solution
The fourth proportional to 182,023.80, 273,035.70 and 128,879.70 is: 193,319.55
Step by Step Solution
- Step 1: Write the proportion equation
182,023.80 : 273,035.70 = 128,879.70 : x - Step 2: Convert to fraction form
182,023.80/273,035.70 = 128,879.70/x - Step 3: Cross multiply
182,023.80x = 273,035.70 × 128,879.70 - Step 4: Simplify right side
182,023.80x = 35,188,759,105.29 - Step 5: Solve for x
x = 35,188,759,105.29/182,023.80 - Step 6: Final answer
x = 193,319.55
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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.