Finding the Fourth Proportional to 235,596.96, 325,120.44 and 128,167.92
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Solution
The fourth proportional to 235,596.96, 325,120.44 and 128,167.92 is: 176,869.90
Step by Step Solution
- Step 1: Write the proportion equation
235,596.96 : 325,120.44 = 128,167.92 : x - Step 2: Convert to fraction form
235,596.96/325,120.44 = 128,167.92/x - Step 3: Cross multiply
235,596.96x = 325,120.44 × 128,167.92 - Step 4: Simplify right side
235,596.96x = 41,670,010,544.28 - Step 5: Solve for x
x = 41,670,010,544.28/235,596.96 - Step 6: Final answer
x = 176,869.90
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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.