Finding the Fourth Proportional to 128,927.22, 193,343.58 and 44,665.62
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Solution
The fourth proportional to 128,927.22, 193,343.58 and 44,665.62 is: 66,982.06
Step by Step Solution
- Step 1: Write the proportion equation
128,927.22 : 193,343.58 = 44,665.62 : x - Step 2: Convert to fraction form
128,927.22/193,343.58 = 44,665.62/x - Step 3: Cross multiply
128,927.22x = 193,343.58 × 44,665.62 - Step 4: Simplify right side
128,927.22x = 8,635,810,873.72 - Step 5: Solve for x
x = 8,635,810,873.72/128,927.22 - Step 6: Final answer
x = 66,982.06
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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.