Finding the Fourth Proportional to 235,580.14, 325,105.86 and 128,155.96
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Solution
The fourth proportional to 235,580.14, 325,105.86 and 128,155.96 is: 176,858.09
Step by Step Solution
- Step 1: Write the proportion equation
235,580.14 : 325,105.86 = 128,155.96 : x - Step 2: Convert to fraction form
235,580.14/325,105.86 = 128,155.96/x - Step 3: Cross multiply
235,580.14x = 325,105.86 × 128,155.96 - Step 4: Simplify right side
235,580.14x = 41,664,253,589.93 - Step 5: Solve for x
x = 41,664,253,589.93/235,580.14 - Step 6: Final answer
x = 176,858.09
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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.