Finding the Fourth Proportional to 235,529.14, 325,020.86 and 128,099.12
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Solution
The fourth proportional to 235,529.14, 325,020.86 and 128,099.12 is: 176,771.70
Step by Step Solution
- Step 1: Write the proportion equation
235,529.14 : 325,020.86 = 128,099.12 : x - Step 2: Convert to fraction form
235,529.14/325,020.86 = 128,099.12/x - Step 3: Cross multiply
235,529.14x = 325,020.86 × 128,099.12 - Step 4: Simplify right side
235,529.14x = 41,634,886,147.64 - Step 5: Solve for x
x = 41,634,886,147.64/235,529.14 - Step 6: Final answer
x = 176,771.70
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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.