Finding the Fourth Proportional to 235,765.56, 325,360.62 and 128,338.68
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Solution
The fourth proportional to 235,765.56, 325,360.62 and 128,338.68 is: 177,109.64
Step by Step Solution
- Step 1: Write the proportion equation
235,765.56 : 325,360.62 = 128,338.68 : x - Step 2: Convert to fraction form
235,765.56/325,360.62 = 128,338.68/x - Step 3: Cross multiply
235,765.56x = 325,360.62 × 128,338.68 - Step 4: Simplify right side
235,765.56x = 41,756,352,494.78 - Step 5: Solve for x
x = 41,756,352,494.78/235,765.56 - Step 6: Final answer
x = 177,109.64
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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.